If you have an annoying zipper that sticks, you don’t have to put up with it! Without proper lubrication, friction between the zipper parts can cause sticking. But don’t retire that garment just yet.

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 ...