Place inside lining panel right side facing up, zipper wrong side facing down along top edge (see diagram). Place front panel right side facing down in line with the zipper and lining. Using the sewing machine with a zipper foot, sew along the top edge as close to the zipper as you can.
Pull both fabrics so that the wrong sides are facing each other.
STEP 14 Repeat on the other side of the zipper.