4-piece neckband

Create

1. With right sides together, create 2 long strips out of the 4 pieces

2. With right sides together, sew the 2 long strips together, leaving 1 long side open.

3. Trim the excess seam allowance in each sewn corner and turn it right side out.

Attach

1. Fold the seam allowance of the open side of the neckband inwards

2. Sew the neckband opening to the garment one side at a time