Brother Free Motion Quilting Foot, SA129 FREE MOTION QUILTING: Expand the creative options of your sewing machine with the ability to do free motion quilting, stippling and thread painting. Simply select a straight stitch, drop the feed dogs, and move your fabric under the needle to draw designs SPRING-ACTION DESIGN: This foot has a built-in spring that moves up and down with the needle. This spring action holds your fabric in place and keeps the fabric from lifting as the needle lowers to make a stitch CLEAR VISIBILITY: The clear, transparent plastic gives you full visibility on all sides of the foot, so you can easily follow and create designs GENUINE BROTHER ACCESSORY: Specially designed and manufactured for optimal results with Brother sewing machines. FOR USE WITH LOW-SHANK SEWING MACHINES: Fits most brands of low-shank sewing machines. See your product manual for specifications