Invisible-zipper foot # 35 is ideal for inserting zippers invisibly into garment seams. In addition, this presser foot is a reliable helper when sewing home furnishings and accessories. 0306537200 Two diagonal grooves act as a guide, making zip insertion a breeze compared to the standard method. Located in the sole of the foot, the grooves easily accommodate the zipper coils, which are fed through at the same time as the zipper tape is guided under the foot and sewn.