Fix a Stuck Zipper With Pencil Lead

A clever way to repurpose an everyday item.

Original purpose: Tackling the Sunday crossword when you’re feeling tentative.
Aha! use: Unsticking a stubborn zipper. Just rub the teeth on both sides of the zipper with a pencil (graphite is an excellent dry lubricant).
Reward: An end to zippers that have lost their zip.