The Janome Ditch Quilting Foot 9mm allows you to sew "in the ditch" of a seam with this snap-on foot. The Janome Ditch Quilting Foot 9mm has an extended guide helps you stay in the seam while the machine stitches. The Janome Ditch Quilting Foot 9mm is perfect for quilt tops and garment construction on waistbands, etc.