Sewing a Buttonhole with the Buttonhole Foot

Sewing a Buttonhole with the Buttonhole Foot. The buttonhole is usually sewn right at the end of the project when everything else is done. What if it messes up, gets all tangled, is skewed or just plain untidy? It must be very hard to unpick a tiny buttonhole and resew without damaging the fabric.
Nothing to be afraid of at all. Here’s how to do it without messing hours of hard work.