Alternative names include haversack from the German Hafersack meaning "oat sack"[1] (which more properly describes a small cloth bag on a strap worn over one shoulder and originally referred to the bag of oats carried as horse fodder), Kraxe (a German rucksack with a rigid framework), and bergen (a large load-carrying rucksack, from a design issued by the British Army during the Second World War).[2] In fact, Britons used to call Alpine-style backpacks "Bergen rucksacks", maybe from the name of their creator, Norwegian Ole F. Bergan, combined with the name of the Norwegian city of Bergen.[citation needed]
"We’ve found [Girl Talk's] peer-to-peer mentorship model to be unique among nonprofit organizations serving girls, and a proven model to build confidence, develop leadership skills and learn the value of service to others. Beyond an annual monetary contribution, our corporate leadership team is committed to advancing the Girl Talk mission, through collaboration, resource sharing and professional expertise. We are most proud of our independent sales consultants who have driven unprecedented Chapter growth in their local communities across the U.S. and Canada." https://i.pinimg.com/474x/83/d4/7c/83d47c7c5b3fd45178304701ca05a892--queen-makeup-nude-nails.jpg
Together we have reached more than 65,000 girls with a leadership curriculum designed for high school girls to mentor middle school girls. Each new Girl Talk Chapter receives a Thirty-One Welcome Kit full of inspirational products to jump right into Chapter meetings. We are also thrilled that Girl Talk supporters are now able to order the Girl Talk logo on any product that can be personalized in our Thirty-One catalog!
Sports and hydration backpacks are smaller with a profile closer to the body, wider straps and can come with water bladders and hip belts for running, cycling or hiking. Running hydration packs are the smallest and lightest, many under 2 litres and most under six litres. Compression straps across the top of one's body are common as are hip belts. Cycling hydration packs are six to ten litres sitting high on the back. Although daypacks are small averaging ten to thirty litres, all Trekking and Hiking hydration packs are generally the largest and heaviest. Thirty five up to sixty five litres and above are common. https://i.pinimg.com/236x/f2/b3/b2/f2b3b2b165ab4485ec6c200dc98ad4db.jpg

World Vision is a Christian humanitarian organization conducting relief, development, and advocacy activities in its work with children, families, and their communities in nearly 100 countries to help them reach their full potential by tackling the causes of poverty and injustice. World Vision serves all people regardless of religion, race, ethnicity, or gender. For more information, please visit www.WorldVision.org/media-center/ or on Twitter @WorldVisionUSA. https://i.pinimg.com/236x/83/c1/1d/83c11dc93562477ce2adc391beb31033.jpg


"We’ve found [Girl Talk's] peer-to-peer mentorship model to be unique among nonprofit organizations serving girls, and a proven model to build confidence, develop leadership skills and learn the value of service to others. Beyond an annual monetary contribution, our corporate leadership team is committed to advancing the Girl Talk mission, through collaboration, resource sharing and professional expertise. We are most proud of our independent sales consultants who have driven unprecedented Chapter growth in their local communities across the U.S. and Canada." https://i.pinimg.com/236x/a6/5b/bc/a65bbcd9af8e788fb164953e8c8dd3ae.jpg
Hiking backpacks and backpacking packs are the only choice for carrying your gear on the trail regardless if you're on a casual day hike or a serious backcountry expedition. Similarly, hydration backpacks from brands like CamelBak, are ideal for staying hydrated outdoors on hikes, runs, and bike rides. There are even winter hydration backpacks that are insulated to keep water from freezing in cold temperatures. Travel backpacks offer storage for travel essentials plus handy features that help keep travelers on the move like wheels and detachable daypacks. They remain a popular style carried by students abroad and the jet-set crowd. https://i.pinimg.com/236x/1d/c7/16/1dc716b360eece73f4372cf6761c3d32---gifts-thirty-one-gifts.jpg
Must complete the first four entries to win. Must be 18 years of age or older. Must reside in the U.S. or have an APO address. Winner pays tax and shipping and CAN use the $75 credit towards both. Contest begins Wednesday, November 6th and ends Tuesday, November 12th at 11:59 PST. Winner must respond within 48 hours. Please check your inbox or spam folder for emails from [email protected] https://i.pinimg.com/474x/fd/80/38/fd8038b1560df7687cc670e1fb507046--sales-tips--bags.jpg
The external frame is typically made from aluminum, other lightweight metal alloy, and recently reinforced synthetic polymers or plastic and is equipped with a system of straps and tautly-stretched netting which prevents contact between the metal frame and user's back. In addition to comfort, this "stand-off" provides the additional benefit of creating air circulation between the frame and the wearer's back. For this reason, external frame packs are generally considered to be a "cooler load" than internal frame designs. External frame packs have a fabric "sack" portion which is usually smaller than that of internal frame packs, but have exposed frame portions above and below the sack to accommodate attachment of larger items. In addition, the sack can often be removed entirely, permitting the user to customize the configuration of their load, or to transport a non-conventional load such as a quartered game animal. Military packs are often external frame designs due to their ability to carry loads of different shapes, sizes and weights.
The simplest backpack design is a bag attached to a set of shoulder straps. Such packs are used for general transportation of goods, and have variable capacity. The simplest designs consist of one main pocket. This may be combined with webbing or cordage straps, while more sophisticated models add extra pockets, waist straps, chest straps, padded shoulder straps, padded backs, and sometimes reflective materials for added safety at night. These packs are generally produced inexpensively. https://i.pinimg.com/236x/f9/5b/1a/f95b1af995f92c8ccb991a6ce4c58691.jpg
If you’ve ever looked at a disorganized linen closet or cluttered countertop with a sigh, Thirty One Gifts is the answer to your prayers. Toss the boring plastic tubs aside and upgrade with some seriously stylish underbed bins, fabric catch-alls and market bags that will have your checkout lane neighbors peeking over in envy. The company’s unique embroidery personalization option allows you to label your new bins with the contents - “Guest Bed Sheets,” for example - to quickly snag what you need from even the most packed closets. https://i.pinimg.com/236x/c9/21/41/c9214102f890de92033d63f299bd4d41--d-fiber-lash-mascara-shops.jpg
Ader Erroradidasadidas by Stella McCartneyadidas OriginalsAlexander WangALLSAINTSAnya HindmarchBabymelBalenciagaBalmainBao Bao Issey MiyakeBella TunnoBotkierBrahminBric'sBriggs & RileyBurberryCALPAKCalvin KleinCaraaChampionChloéChristian LouboutinCHROMEClare V.COACHDAGNE DOVERDanse LenteDOUGHNUTEastpakEric JavitsFjällrävenFreshly PickedFryeGivenchyGucciHerschel Supply Co.HoboItzy RitzyJansportJu-Ju-BeKarakate spade new yorkKELLY WYNNEKENZOKNOMO LondonKurt Geiger LondonLässigLike Dreamslittle unicornLOLA LODIS LOS ANGELESLongchampM2MALLETIERMackageMadewellMaison MargielaMali + LiliMansur GavrielMARC JACOBSMatt & NatMCMMercado GlobalMICHAEL Michael KorsMoncler Genius by MonclerMoschinoMZ WallaceNikeNIKE SBNordstromNOTABAGnunaOAD New YorkO'NeillP.E NationPacaPodPatagoniaPetunia Pickle BottomPradaProduct of the NorthProenza SchoulerQuiksilverrag & boneRAINSRebecca MinkoffRip CurlROSIE POPESaint LaurentSalvatore FerragamoSaturdays NYCSENREVESherpaniSkip HopSole SocietySondra RobertsSTATE BagsStella McCartneySteve MaddenStokkeStorksakStreet LevelSweaty BettyTed Baker LondonTHACKERThe Honest CompanyThe North FaceThuleTOMMY JEANSTopo DesignsTopshopTory BurchTreasure & BondTroubadourTrouvéTumiTWELVElittleUrban OriginalsVALENTINO GARAVANIVersaceVesselVince CamutoVOORAYYoki BagsZella https://i.pinimg.com/736x/17/c0/40/17c040fd1f94713a4cff93f78a284f6d.jpg
Sports and hydration backpacks are smaller with a profile closer to the body, wider straps and can come with water bladders and hip belts for running, cycling or hiking. Running hydration packs are the smallest and lightest, many under 2 litres and most under six litres. Compression straps across the top of one's body are common as are hip belts. Cycling hydration packs are six to ten litres sitting high on the back. Although daypacks are small averaging ten to thirty litres, all Trekking and Hiking hydration packs are generally the largest and heaviest. Thirty five up to sixty five litres and above are common. https://i.pinimg.com/236x/f2/b3/b2/f2b3b2b165ab4485ec6c200dc98ad4db.jpg

Thirty One 31 Boutique Backpack in Merlot pebble, Brand New in Package Pebbled faux leather Double zipper closure One interior zipper pocket Two exterior zipper pockets Adjustable patterned cotton backpack straps adjust from 30" to 57" and locker loop 13"H x 9"L x 4.625"D Great gift for Housewarming, Christmas, Birthday, Weddings and more! **** These items are from my personal collection. I am not a sales rep for this company.  https://i.pinimg.com/474x/32/de/cb/32decb7e0cdc5486d0542999d4901a7f.jpg
The last item I received was the Key Fob. It makes it easy to just ‘throw’ my keys into my bag. It has a round key ring on one end and a clip on the other. I carry mine clipped to each other (the clip is clipped to the ring) to form a ‘bracelet’ to slip on my wrist if needed or to clip to my purse. My husband and I switch vehicles often, so it also makes it a lot easier to remove or attach the car or house keys. https://i.pinimg.com/originals/f8/ee/a3/f8eea372593f799f4a46c579bfd13343.jpg
“We’re honored to be involved with World Vision for the fifth year in a row,” said Wendy Bradshaw, Executive Director of Community Affairs at Thirty-One Gifts. “We’ve been very pleased to see our products used to assist people who are in need around the world – whether it’s survivors of a natural disaster, refugees, or children in poverty. It’s our pleasure to help more individuals and families in need everywhere through our donation match. We are hopeful many people will double their donation through this match on Giving Tuesday.”
This year, independent consultants, leaders, and the owner of Thirty-One Gifts will be celebrating November 27th by traveling to New York City to participate in World Vision’s Give-back Gift Shop in Bryant Park by sponsoring the Hope Kits visitors can create to help women in need and by visiting some of the locations where the kits will be distributed. World Vision’s Give-back Gift shop gives visitors a chance to step into the pages of World Vision’s holiday Gift Catalog and see how they can delight loved ones with a unique gift that will light up the life of a child in need. https://i.pinimg.com/originals/3c/ab/b0/3cabb0c2d259eb58550877e8424634cd.jpg

"We’ve found [Girl Talk's] peer-to-peer mentorship model to be unique among nonprofit organizations serving girls, and a proven model to build confidence, develop leadership skills and learn the value of service to others. Beyond an annual monetary contribution, our corporate leadership team is committed to advancing the Girl Talk mission, through collaboration, resource sharing and professional expertise. We are most proud of our independent sales consultants who have driven unprecedented Chapter growth in their local communities across the U.S. and Canada." https://i.pinimg.com/236x/a6/5b/bc/a65bbcd9af8e788fb164953e8c8dd3ae.jpg

External frame packs were designed to carry heavy loads (>20 kg or 40 lb), giving the wearer more support and protection and better weight distribution than a simple, frameless strapped bag. Wooden pack frames were used for centuries around the world. Ötzi the Iceman may have used one in Copper Age Alpine Italy,[5][6] though some archaeologists believe the frame found with the body was part of a snowshoe. Such packs are common in military and mountaineering applications;[7] metal versions first appeared in the mid-20th century.
Lucky for you, Target carries Jansport backpacks with ergonomic shoulder straps, padded back panels and every other convenience you want—plus the hottest styles to fit your look. Pack up and go with the best backpacks at Target. If a backpack’s not your style, check out our trendy messenger bags for everyday use or our chic selection of carry-on bags for travel. https://i.pinimg.com/originals/f2/b0/3f/f2b03f856f5a3805aac70a2693d0505a.jpg
The last item I received was the Key Fob. It makes it easy to just ‘throw’ my keys into my bag. It has a round key ring on one end and a clip on the other. I carry mine clipped to each other (the clip is clipped to the ring) to form a ‘bracelet’ to slip on my wrist if needed or to clip to my purse. My husband and I switch vehicles often, so it also makes it a lot easier to remove or attach the car or house keys. https://i.pinimg.com/236x/e0/9a/e6/e09ae655eb43bec3470c453072419319--thirty-one-uses-thirty-one-gifts.jpg
External frame packs were designed to carry heavy loads (>20 kg or 40 lb), giving the wearer more support and protection and better weight distribution than a simple, frameless strapped bag. Wooden pack frames were used for centuries around the world. Ötzi the Iceman may have used one in Copper Age Alpine Italy,[5][6] though some archaeologists believe the frame found with the body was part of a snowshoe. Such packs are common in military and mountaineering applications;[7] metal versions first appeared in the mid-20th century. https://i.pinimg.com/236x/75/0a/39/750a39a2f025956fab81820f0ab1492f---gifts-thirty-one-gifts.jpg
Finding the perfect 31 Gifts product in a color or pattern that clashes with your style is a big letdown - but it’s a problem that never needs to happen when you view the 31 Gifts catalog. With several different prints available for each item, even your base selection will reflect your style preferences! From there, embroidered personalization adds initials, names or phrases, allowing you to pick even more options - thread color, font, symbols and more - to truly personalize your product. Thirty One Gifts’ collegiate line makes a wonderful gift or special self-indulgence for college sports fans, and even Fido can get in on the fun with beautiful leashes that match popular Thirty One Gifts patterns. https://i.pinimg.com/236x/0b/53/28/0b5328a26cc06a3b12f3d38d7b62f2bd--pink-black-black-and-white.jpg

Must complete the first four entries to win. Must be 18 years of age or older. Must reside in the U.S. or have an APO address. Winner pays tax and shipping and CAN use the $75 credit towards both. Contest begins Wednesday, November 6th and ends Tuesday, November 12th at 11:59 PST. Winner must respond within 48 hours. Please check your inbox or spam folder for emails from [email protected]


2. To redeem this offer, Hostesses with a qualifying party of $600 or more may choose the Close To Home™ Caddy for $14.40, Close To Home™ Tray for $17.40, Close To Home™ Table Gallery for $17.40, Close To Home™ Décor Box for $20.40 or Close To Home™ Round Tray for $20.40. Includes personalization. Limit one per Hostess. Qualifying party sales exclude tax, shipping and all Hostess Rewards. Valid for qualifying party orders submitted April 1-30, 2019. Prior to tax and shipping. While supplies last. Customer Specials and Hostess Rewards cannot be combined. https://i.pinimg.com/originals/38/12/39/381239bc221f6ba9cab706adaf6760e6.jpg
Annmarie has also set up her page for a “Mystery Hostess Party.” Order some of the Thirty-One swag that you’ve been dying to try out from now until November 12th. Every mama that places an order will have a chance to be the “hostess” of the party. The hostess has the opportunity to get FREE Thirty-One items, half-priced items and credit to order some more of their products. Click here to RSVP and join the fun party on Facebook!  https://i.pinimg.com/originals/5d/b6/51/5db65123b18c37d589d0f7fb98406b53.jpg

While the Thirty One Gifts catalog shows beautiful traditional purses, they are only a small part of the impressive product catalog made available to lucky 31 Gifts party goers. From large totes that are ideal to bring along to the beach to small organizational pouches for home use, shoppers enjoy the selection of fabrics, embroidery customization options and matching accessories available for each product. With a color and pattern palette that greets each season with exciting new offerings and secret hostess-exclusive items, there’s a little something for everyone under the Thirty One Gifts umbrella. https://i.pinimg.com/originals/e5/7c/46/e57c46dc4536f6d2c51a05ad978bdedc.jpg


Finding the perfect 31 Gifts product in a color or pattern that clashes with your style is a big letdown - but it’s a problem that never needs to happen when you view the 31 Gifts catalog. With several different prints available for each item, even your base selection will reflect your style preferences! From there, embroidered personalization adds initials, names or phrases, allowing you to pick even more options - thread color, font, symbols and more - to truly personalize your product. Thirty One Gifts’ collegiate line makes a wonderful gift or special self-indulgence for college sports fans, and even Fido can get in on the fun with beautiful leashes that match popular Thirty One Gifts patterns. https://i.pinimg.com/236x/92/41/6f/92416f871f597d41e951a068667ba273--contour-set-cream-contour.jpg
World Vision is a Christian humanitarian organization conducting relief, development, and advocacy activities in its work with children, families, and their communities in nearly 100 countries to help them reach their full potential by tackling the causes of poverty and injustice. World Vision serves all people regardless of religion, race, ethnicity, or gender. For more information, please visit www.WorldVision.org/media-center/ or on Twitter @WorldVisionUSA. https://i.pinimg.com/originals/db/54/e3/db54e3e7683789b29dce47450c786de9.jpg

Lucky for you, Target carries Jansport backpacks with ergonomic shoulder straps, padded back panels and every other convenience you want—plus the hottest styles to fit your look. Pack up and go with the best backpacks at Target. If a backpack’s not your style, check out our trendy messenger bags for everyday use or our chic selection of carry-on bags for travel. https://i.pinimg.com/236x/ed/1b/0b/ed1b0b4cef1a75e1aaced8bbd60a607d--thirty-one-sisters.jpg
A bodypack is a backpack fitted with one or more pockets that are suspended on the wearer's chest and loaded in such a way that the load in the front and the load in the back are close to equal. The majority of the load in a bodypack is carried by the hips. The ideal load carrying system should not disturb the wearer's natural posture, balance and maneuverability. The load must be dispersed onto the skeletal structure in an even manner, and should not produce unbalanced forces on the body.
SEATTLE (November 27, 2018) – This Giving Tuesday, Thirty-One Gifts and World Vision are partnering together once again to double the impact to those in need. The company will match every donation to World Vision on November 27th with up to $2 million in product, helping families around the world with items to keep babies warm, deliver medical supplies, and keep girls in school. https://i.pinimg.com/236x/e2/23/a0/e223a0e331d6378c3246430d16664c98--thirtyone--party.jpg
2. To redeem this offer, Hostesses with a qualifying party of $600 or more may choose the Close To Home™ Caddy for $14.40, Close To Home™ Tray for $17.40, Close To Home™ Table Gallery for $17.40, Close To Home™ Décor Box for $20.40 or Close To Home™ Round Tray for $20.40. Includes personalization. Limit one per Hostess. Qualifying party sales exclude tax, shipping and all Hostess Rewards. Valid for qualifying party orders submitted April 1-30, 2019. Prior to tax and shipping. While supplies last. Customer Specials and Hostess Rewards cannot be combined. https://i.pinimg.com/564x/15/4b/26/154b2626893ef6944006eed229da082e--lucrative-lip-gloss-in-color.jpg
From the excitement of wandering the mountains to the practicality of commuting with computers, backpacks are some of the most handy, sturdy and good-looking ways to carry your things while traveling. With the variety of backpacks from Amazon.com, you can find the best travel backpacks to shoulder your load in comfort and style.You can find a huge selection in our Backpack Shop for all kinds of uses, students, commuters, professionals, and hikers. Whether you’re shopping for a 1st grader or for a PhD candidate, you’ll find attractive and functional bags for all your students’ needs. We offer casual daypacks, traditional book bags, modern backpacks, and simple drawstring bags. We also carry kids’ backpacks for kids in many colors and print choices, from ladybug-shaped packs to skater art, so you can look good, whatever your style.For students and commuters we also have a large selection of laptop and rolling backpacks to help you transport everything you need for your day. You can find laptop bags with an extra padded sleeve to safely store your laptop when you’re on the bus, walking to the coffee shop, or biking to work. Check out our rolling backpacks that come with rigid backs; they’re ideal for travel because they fit the size requirements for carry-on baggage. Find the perfect commuter bag from the brands you prefer; you can find popular backpack brands like High Sierra, Jan Sport, SwissGear, Kavu, and Keen.Our hiking backpacks are durable and ready for any adventure. Many units come complete with waist straps and rigid framing for ultimate support and correct hiking ergonomics. Do you have a big trek planned and don’t want to be waylaid by weather? Check out our selection of waterproof bags and keep to the trail without soaking your gear. When you filter your search by average customer rating, you can see the hiking backpacks that other trekkers have tried and recommended.Pack up everything you need for your day with the backpacks from Amazon.com.Amazon's Luggage and Travel Gear store has a wide selection of casual daypacks. Choose from some of the from popular brands such as Under Armour, Swiss Gear and High Sierra. https://i.pinimg.com/236x/a9/59/78/a959780fe429f0f2cb01a457d9d38224---gifts-thirty-one-gifts.jpg?b
Together we have reached more than 65,000 girls with a leadership curriculum designed for high school girls to mentor middle school girls. Each new Girl Talk Chapter receives a Thirty-One Welcome Kit full of inspirational products to jump right into Chapter meetings. We are also thrilled that Girl Talk supporters are now able to order the Girl Talk logo on any product that can be personalized in our Thirty-One catalog! https://i.pinimg.com/originals/35/63/a7/3563a7889fdd07cb3f8ea6f97cc69172.jpg
From the excitement of wandering the mountains to the practicality of commuting with computers, backpacks are some of the most handy, sturdy and good-looking ways to carry your things while traveling. With the variety of backpacks from Amazon.com, you can find the best travel backpacks to shoulder your load in comfort and style.You can find a huge selection in our Backpack Shop for all kinds of uses, students, commuters, professionals, and hikers. Whether you’re shopping for a 1st grader or for a PhD candidate, you’ll find attractive and functional bags for all your students’ needs. We offer casual daypacks, traditional book bags, modern backpacks, and simple drawstring bags. We also carry kids’ backpacks for kids in many colors and print choices, from ladybug-shaped packs to skater art, so you can look good, whatever your style.For students and commuters we also have a large selection of laptop and rolling backpacks to help you transport everything you need for your day. You can find laptop bags with an extra padded sleeve to safely store your laptop when you’re on the bus, walking to the coffee shop, or biking to work. Check out our rolling backpacks that come with rigid backs; they’re ideal for travel because they fit the size requirements for carry-on baggage. Find the perfect commuter bag from the brands you prefer; you can find popular backpack brands like High Sierra, Jan Sport, SwissGear, Kavu, and Keen.Our hiking backpacks are durable and ready for any adventure. Many units come complete with waist straps and rigid framing for ultimate support and correct hiking ergonomics. Do you have a big trek planned and don’t want to be waylaid by weather? Check out our selection of waterproof bags and keep to the trail without soaking your gear. When you filter your search by average customer rating, you can see the hiking backpacks that other trekkers have tried and recommended.Pack up everything you need for your day with the backpacks from Amazon.com.Amazon's Luggage and Travel Gear store has a wide selection of casual daypacks. Choose from some of the from popular brands such as Under Armour, Swiss Gear and High Sierra. https://i.pinimg.com/236x/a9/59/78/a959780fe429f0f2cb01a457d9d38224---gifts-thirty-one-gifts.jpg?b
If you’ve ever looked at a disorganized linen closet or cluttered countertop with a sigh, Thirty One Gifts is the answer to your prayers. Toss the boring plastic tubs aside and upgrade with some seriously stylish underbed bins, fabric catch-alls and market bags that will have your checkout lane neighbors peeking over in envy. The company’s unique embroidery personalization option allows you to label your new bins with the contents - “Guest Bed Sheets,” for example - to quickly snag what you need from even the most packed closets.

The most popular time of the year for backpacks is the Back To School season. That's because school backpacks are the most common type of school bag among kids and college students alike. For versatility and value, you can't go wrong with a classic pack like the JanSport SuperBreak; it continues to be a top-rated best-seller year after year. Carrying a laptop across campus or during your commute? Choose a laptop backpack with dedicated compartments designed to keep your device secure and protected. Be sure to use our Laptop Bag Finder (found at the top left of every laptop bag page) to ensure your specific laptop model fits. Wheeled backpacks are also a great choice for students and even professionals who want to haul heavy loads without causing back strain. https://i.pinimg.com/originals/8f/72/c0/8f72c09c22f4d94973ff4be547f2ab65.jpg
External frame packs were designed to carry heavy loads (>20 kg or 40 lb), giving the wearer more support and protection and better weight distribution than a simple, frameless strapped bag. Wooden pack frames were used for centuries around the world. Ötzi the Iceman may have used one in Copper Age Alpine Italy,[5][6] though some archaeologists believe the frame found with the body was part of a snowshoe. Such packs are common in military and mountaineering applications;[7] metal versions first appeared in the mid-20th century.
Large backpacks, used to carry loads over 10 kilograms (22 lb), as well as smaller sports backpacks (e.g. running, cycling, hiking and hydration), usually offload the largest part (up to about 90%) of their weight onto padded hip belts, leaving the shoulder straps mainly for stabilising the load. This improves the potential to carry heavy loads, as the hips are stronger than the shoulders, and also increases agility and balance, since the load rides nearer the wearer's own center of mass. https://i.pinimg.com/originals/d4/e9/63/d4e963d49f547273bd10322cf770457f.jpg
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