Husqvarna Viking Changeable Quilter's Guide Foot (Cat 7) Use the Changeable Quilter’s Guide Foot when stitching in the ditch along a seam line. The foot has guidelines to make it easy to accurately turn corners for ¼ (6mm) or 1/8 (3mm) seams. The Dual Feed with Changeable Presser Feet is designed to feed layers of fabric and/or batting evenly. It is perfect for quilting, sewing velvet, some stretch fabrics, imitation leathers and fabrics which need accurate pattern matching. Other information1. Stitching in the ditch means stitching in the finished seam line.2. Snap on the Changeable Quilter’s Guide Foot. Select the center needle straight stitch and adjust it up to a maximum stitch length of 6.3. Place the fabric to be stitched under the presser foot aligning the guide in the center of the foot with the seam line.4. To pivot ¼ (6mm) from the end: Select the Needle Up/Down to activate the needle down. Sew the seam. Stop sewing when the front line on the foo