1. Fashion and home items featuring gathering and pleats have never been easier. Instead of spending hours measuring, folding and pinning pleats, use the ruffler For sewing small pleats and gathering on a single layer of fabric, as well as pleated . The ruffler is adjustable and becomes indispensable when the amount of gathering needs to be controlled exactly. 2. The knob changes how deep the pleat or ruffle is. For smaller pleats, tighten it. For larger pleats, loosen it. You can also adjust the pleats by varying the length on your sewing machine. 3. There are 4 settings on the Ruffle Foot: Star, 12, 6, and 1. These how many stitches between each pleat or ruffle. The star gives you a straight so that you don't have to remove the foot in the middle of a project just to sew a straight seam. 4. You can gather or pleat a single layer of fabric while attaching it to a straight, ungathered layer in one operation. Recommended for light to medium weight fabrics. 5. It fits for most of low shank sewing machine which have needle position colour:Silver Material:metal size:8.2 x 6.7 x 3.8CM Package Contents: 1 x Presser Foot Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.