Features: Prevent slippage between layers of fabric. It can prevent the fabric from wrinkling during reverse stitching and seaming. Synchronized presser foot helps to feed cloth more smoothly. The cloth is clamped by the upper and lower feeding teeth and is fed back synchronously, so there is no need to fold the cloth. Suitable for low-shank sewing machines, like Brother, Baby Lock, Singer, Kenmore，Janome etc. The side cutter attachment will trim fabric while it is sewing a seam. Easy to use, just attach to the machine and replace the pressor foot. You can still look at the needle while sewing from the front side. Suitable for thin, elastic and medium-thick fabrics. Specifications: Material: Metal, Plastic Color: White, Black(optional) Weight: 76g/2.7oz Size: 8.5*8*2.5cm/3.3*3.1*1in Package List: 1*Side Cutter Presser Foot 2*Adjustable Quilt Guide(left and right) Install the presser foot: Turn off the power switch first, 1. Raise the presser foot bar and needle; 2. Loosen the fixing screw on the presser foot base and remove the presser foot and presser foot base; 3. Install the synchronized presser foot on the presser foot bar. The swing bar on the synchronous presser foot must be mounted on the needle fixing screw, and tighten the fixing screw on the presser foot bar. *Sewing at a low or medium speed. Install the quilt guide: 1. Press down the quilt guide bar into the groove behind the synchronized presser foot; 2. Move the guide left or right according to the required width.