Watch this video sewing tutorial and learn how to use a sew on button foot on a sewing machine. Mark where the button will be placed. Insert button between the black metal piece and the presser foot. Make sure that the two holes are positioned in the cut-out of the presser foot. Position the fabric and lower the presser foot. Select the button sew-on or zigzag stitch. If using the zigzag stitch, lower the feed dogs. Select the width to match the button holes. Manually turn the handwheel to make sure that the needle enters the left hole. Sew until the machine stops if using a button sew-on stitch. If using the zigzag, sew across the button five times.