Brother picot foot 7mm cat a handy for use when sewing special fabric edges like frills for shell effect when hemming in zigzag stitch 1 increase upper thread tension 2 place the fabric with the wrong side facing up under the presser foot 3 lower the needle into the fabric approximately 18 from the edge and sew 2 3 stitches 4 raise the needle and the presser foot 5 hold the fabric from the back and front and roll it into the curled part of the foot 6 position the edge of the fa