View How To Unjam A Zipper On A Jacket Gif. Then using some pliers, preferably the ones with the small gap in the center, grip the zipper around the lower outside edge. And repeat that process on the other side.
The worst nightmare of rushed dressing….the zipper gets stuck.
Ever zip up your jacket, only to discover that the zipper seems to have immediately unzipped itself? The quick fix is to crimp the zipper slider so it is tighter and grabs the zipper teeth once again. That annoying development is a sign that the zipper's slider has worn out. Like many winter jackets, the zipper had two pulls, so you can zip and unzip from the top or bottom.