A zipper. Zippers get broken easily, and there are many ways you can fix them by your self. For instance, some people ask,
How do you put a zipper back on?
First, you have to get the zipper slider back on . To do this, cut a slit between the teeth of the zipper tape. It should be a deep open slit so that you'll be able to insert it into the zipper slider. Slide the zipper slider all the way down.
