1/4" snap-on foot with edge guide (for Pfaff machines), 820541096. This foot is a teacher's favorite because the guide blade achieves a perfect 1/4". By keeping the material against the guide you will always have a straight line. Popular with quilters, this foot is used for piecing quilt blocks, sewing narrow 1/4-inch seams and topstitching. Also known as a quilting foot it is great for patchwork quilting, crazy patch quilting, French seams, heirloom sewing, traditional tucks, cross tucks and wave tucks.