Sew pocket bag 1 to the main front where marked on the pattern (A-A)
Clip at notches
Turn to inside and press. Top-stitch pocket opening or flat-stitch close to the seam from the inside.
With the right sides facing, lay pocket bag 2 on top and match the seam (B-B). Stitch the two pocket bags together creating a pocket (B-B).
Sew stay-stitch on the top and the base of the front pocket.