If you’ve ever had a zipper get stuck on a bag, sweater, or a coat, you’re familiar with the frustration. It can feel like there’s nothing to be done but surrender to a stubborn zipper and toss the ...

It always seems to happen to your favorite dress, jeans, jacket or purse: you go to open or close the zipper and suddenly the track separates, the slider falls off or the zipper is just plain stuck. A ...