Three-Sole Walking Foot with Seam Guide #50 is a wiz at working with challenging fabrics. Especially well suited to machine quilting and to sewing “sticky” materials, this foot also helps you match stripes and plaids by preventing the fabrics that are being stitched together from shifting. With three soles for sewing, quilting and topstitching; Perfect fabric feed and even stitch formation; Seam guides help you sew with precision; Materials that are stretchy or tend to stick. There is no functional difference between this special edition foot and the everyday option. This is a limited edition release and will be available while supplies last!