Broken Zipper Teeth Back. But if you do not want to do that, pick the stitches near the separation, slide the zipper past that point and line up the teeth again. When replacing the slider, make sure to:
All you do is line up the side that has come off the slide and slip the slide up. There’s some backing material attached to the zipper teeth, which was then sewn onto the zipper tape. If your zipper is stuck, grab a graphite pencil and rub the tip on the teeth.