How to sail down wind using sailing by the lee

Technique for Lasers ILCA Topper and other single handed boats with an unstayed mast. Downwind sailing. https://youtu.be/KVsx5i6bG98?si=q7zeiPUupD9PoWM8 Steve Cockerill talking at the boat show. SportVid how to set your vang in a Laser https://youtu.be/raqZmQlJfv8?si=zQJKqOM0sn-z9p4X