Originally Posted by
bearisgray
I machine stitch 1/4 inch from the edge (like stay stitching) - then press - using the stitched line as a guide -
I frequently do this for hems - like on pillowcases, too.
This is how I was taught. The stitching line makes the fabric fold over very easy. Then, once you have it ironed, you can pull out the basting stitch.