In the end, all you have to do is sew a few stitches across the end of the teeth and then sew the tape back to the bag. Got a broken zipper box? You can fix that with 3D printing. Mystified about ...

The coat of polish adds a slight thickness to the teeth, helping them catch properly. Use a keyring or a small paperclip as a temporary zipper pull. For a permanent fix, swap the broken pull tab ...