- Optional: Sew a line of stitching 1/4" from the top edge of the bag as a guide.
- Press under (to the inside of the bag) 1/4"
- Press under again 1 1/4" to the 1 1/2" marking or by folding the side seam opening in half.
- Pin the casing in place, keeping it an even distance and lining up the seams, keeping the pins back from the inside folded hem.
- Stitching as close to the inside folded edge as possible, sew the casing in place.


