This foot helps provide more efficient feed movement, and is designed for use with the MuVit Dual Feed Attachment*. Designed for quilting, garments and other projects that require stitching over an existing seam. This foot rides smoothly over the seam, helping to ensure your stitching remains more perfectly aligned while you stitch in the ditch . This foot is also useful for quilt binding. *The MuVit Dual Feed Attachment (SA196C) is available for separate purchase.