Brother 14 inch quilting piecing foot cat e best for quilt and patchwork piecing with 14 or 18 seam allowance its back and small needle opening are designed to give the right pressure on fabrics 1 snap on the presser foot and select a center straight stitch 2 with right sides together place two pieces of fabric and line up edges of fabrics to the right side of the presser foot to create even 14 6 5mm seams 3 to create 18 3 2 mm seams guide fabric on the left side of