Part-4(mmsking_)zip -
: You can use stainless steel "C-clamps" that are crimped over the top teeth with needle-nose pliers to prevent the slider from flying off.
: Essential for crimping metal stops without damaging the zipper tape.
Zipper Shortening & Stops - Part 4 of Zippers Explained in Detail
: For jacket repairs, you can use specialized zipper pliers and side cutters to remove exactly the number of teeth needed before applying "Fray Check" to seal the exposed tape.
: If you don't have specialized tools, you can fold a small piece of fabric over the end of the zipper and sew two tight lines across it to create a soft, secure finish.