JayveeUS Zipper Adjustable Sewing Presser Foot Attachment Zipper Invisible Line Positioning Guide for Sewing Machine Knitting Foot- for Universal Standard-Sized Sewing Machines 

This can help you prevent sewing into the zipper teeth so you can achieve stellar results. It also has a clip-on design that presses down on the material so you don't need to keep it lined up with your hands. It adds different functionalities to your sewing machine so that it can accomplish much more than mere straight stitching. Specifications: Material: Stainless Steel Size: approx. 2.5 x 2 x 1 cm/ 0.98 x 0.78 x 0.39 inch Package contains: 1 x Line Positioning Zipper Foot How to Use: Attach the zipper foot to your sewing machine by using the knobs to position it in place Prepare the fabric - Pin the zip in place, making sure the zip teeth are centered on the seam line Start sewing - When sewing an invisible zipper, simply use the edge of the foot to flatten the zipper teeth as you sew Wide applications: With the sewing machine foot, you can make inserting zippers fast and easily, besides, you can use it to stitch piping or cording for costumes, also suitable for various fabric sewing and home decorating project.