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 ...

Ah, zippers. The contraption was first used on boots, then tobacco pouches, and then leather jackets (by Schott in 1925). Crazy, right? Zippers on clothes isn’t even a 100-year-old idea yet. The ...