This innovative foot is designed to quickly and evenly sew cuffs on knit fabrics and hem where a seam should not be visible. Compatible with the PFAFF hobbylock 2.0 Overlock Machine. Ensure these machine settings for use:Needle – Right needleStitch type – 3-thread overlock or 3-thread flatlockStitch length – 4 to 5 mmDifferential feed lever – Normal positionUpper knife – Working positionTo Sew:1. Fold fabric as shown and place it under the presser foot.2. Loosen screw (A) and adjust edge guide so that needle will penetrate the fabric close to the folded edge.3. Guide fabric lightly while sewing so that needle will just catch the edge of fold.