WINGFOIL: How to backwind (detailed tutorial)
This video explains the wingfoil backwind in detail, including:
0:00 walkthrough of jibe to backwind
2:34 backwinded wing-control guide
5:50 training steps (how to get started)
8:01 how to exit a backwind
9:14 backwind from toeside & 360 version
I hope this helps. All the best, Alex.