Sewing steps: ?1: Unzip the zipper and iron the teeth of the zipper with a low-temperature iron to expose the root of the zipper; ?2: Before installing the invisible zipper, iron a layer of ironing lining on the hair surface of the part where the zipper is installed; ?3: Basting Binyong iron ironing seam allowance; ?4: Align the invisible zipper at the seam, and basify both sides of the invisible zipper on the seam allowance? ?5: Cut the sparse thread on the fabric; ?6: Clamp the zipper root in the guide groove of the invisible zipper, and then sew both sides of the zipper close to the zipper root; ?7: Pull up the zipper head; ?8: Fix the metal head to the opening of the zipper to prevent the zipper head from falling off; Invisible zipper presser foot Invisible zipper sewing machine presser foot allows you to easily and accurately make beautiful and professional hidden zippers. brbr Suitable for most brothers, all lowhandle snapin singer models some singers need lowhandle adapters, the parallel grooves on the soles of the feet keep the invisible zipper when you sew, showing a perfect stitching effect, close to the invisible zipper installation , You need it for expensive skirts and beautiful clothesbrbr Packing 1X invisible zipper foot