The Elastic Foot guides and stretches narrow elastic (-, 6-12 mm) as you sew it to fabric. Designed exclusively for the hobbylock 2.0 overlock machine, it is great for sewing for active wear, lingerie and other elastic insertion techniques.Ensure these machine settings for use:Needle – Left or right, or both left and rightStitch type – 3-thread overlock or 4-thread ultra stretch mock safety stitchStitch length – 3 to 5 mmDifferential feed lever – Normal positionUpper knife – Working or non-working positionTo Sew:1. Before attaching the sewing foot to machine, pass the elastic tape through presser foot and adjust stretch with adjusting screw (A).2. Attach presser foot to machine.3. Sew 2 or 3 stitches while pulling the elastic tape lightly to the rear of machine.4. Continue to sew the elastic tape onto the fabric while lightly pulling the end of elastic tape.