Now some nylon zippers on the market are bundled, if the larger amount, to buy this nylon zipper will be more cost-effective, the only downside is the zipper to own equipment. How to install the zipper it?
You can pull out the original helical zipper teeth on the short side and straighten it, so that it is easy to let it through the zipper head. You can also put more than one zipper at a time, this can reduce waste. Before the nylon zipper was forgotten to assign a zipper to the part to be cut. After cut, the zipper ends should be closed, so it will be more convenient sewing.