Invisible Zipper Presser Foot. Specially designed presser foot for accurate and even insertion of invisible zippers. The unique runner construction guides the zipper smoothly, allowing it to unfold properly during stitching and remain hidden from the front side. Suitable for industrial lockstitch machines with bottom feed, including Juki, Siruba, Pfaff, Texi, Brother, Dürkopp, and others. Ideal for garment production, formalwear, and technical sewing where a clean, professional finish is essential.