Piping Foot uses a two groove underside to hold and cover cord for crafters looking to make their own piping cord. Can also be used to attach piping with professional results. Pros: Makes a difficult job into a breeze! This particular presser foot will do either single or double piping which makes it a better buy than just the single piping presser feet. Compatibility: Piping presser foot with 2 grooved holes,make sure that the biggest thread/rope diameter under the grooved hole is within 5mm, fits for Brother, Janome, Singer and more. Settings: Stitch width is suggested to be 0 with length at 1-3. Be sure to use the straight stitch in the center position, otherwise, you will break your needle. Fits for All Low Shank Snap-On Singer* (Some Singers Require Low Shank Adaptor), Brother, Babylock, Euro-Pro, Janome, Kenmore, White, Juki, New Home, Simplicity, Necchi and Elna Sewing Machines.