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Zippers are a part of many pieces of gear. From our jackets to our tents and backpacks, having a functional zipper can keep us warm, dry, and all of our gear contained. What happens when that zipper ...

Zippers are just a standard feature of daily life. Going up a hill in a shower? Zip up your waterproof jacket. Hitting the ski slopes? Unzip the ankle cuffs on your ski pants to adjust the buckles on ...