One end of a staple can be folded inward so that it is parallel to the needle bar and the other end is folded straight. According to the length of the iron side of the zipper pull off the excess part of the staple from the straight cut off. Cut the staple, the original iron on the side of the location, turn back the one on the bottom, and the bottom edge of the zipper flush, the other end to chisel the same point. And then with the sewing needle to the buttonhole eye of the acupuncture method to close the seam back twice, the nail package inside. But the seam should pay attention to the width of the iron edge with the original equal; bottom edge of the stapler with a seam stitching, sewing flat, and then wipe the wax look, so the effect as the original iron edge, pull open ease.