This 3 Groove Pin Tuck Foot is a snaps on and lets you sew tucks in medium weight fabrics. Use this foot with a Twin Needle, Straight Stitch, with a length of 2.5. Snap on a raised seam plate if heavier fabrics are being used or if you are using cords in the tucks. If using cord or yarn place it in the guide of the raised seam plate. Also you may want to use the Edge/Quilting Guide so that your tucks are evenly spaced.