A device, made of metal or plastic, affixed to the bottom end of a zipper, to prevent further movement of the half of the zipper from separating. In open-end zippers the bottom stop is made up of two parts, one of which (called insert pin) goes inside the slider.
Lenzip, 2004, Penny, 2004
Context:
The metal zipper bottom stop should be placed just below the bottom of the seam opening.
