There are many instances where a zipper on a bag, purse, coat, etc. will fail to function or jam. It may be that the zipper needs replacement, but oftentimes it can be fixed using a simple technique. YouTube user MediaMason shows how many zipper problems result from a simple change in the slider's structure, as well as how to fix this. He identifies the zipper (the "teeth") and the slider (the pulley). Normally, when the slider is pulled through the zipper, it closes the zipper together. Sometimes the zipper will not close, leaving is open on both ends. MediaMason shows that this is usually because the gap in the slider widens over time. He shows that by clamping the slider with a pair of pliers, that gab can be closed, and the zipper's functionality can be restored.
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