Originally Posted by chrises

OK, your 2 strips are folded in half, wrong sides together, pressed. 2 inches wide.

Stack them together so there are 4 raw edges on your right.

Sew them together through the 4 raw edges.

Turn the seam & you'll see your new binding.

Just grab some scraps & you'll see it happen. It's hard to
imagine but happens nicely in your hands. I love to have
a wavy edge by using a scallop stitch.

Please let me know how this works for you.