The Brother SA215 Interchangeable Quiting Toe Set is a great addition to the Brother Dynamic Walking foot SA101. Simply switch out your feet to utilize the included ¼ inch guide, a quilting guide and stitch in the ditch guide. The quilting guide can be used on the left and right sides for ease of use. It works with low-shank sewing machines and is great for keeping stitches straight. Perfect for layered quilting projects, this add-on accessory is a must have for any quilter!