- Edited
Samantha Surely partners would be too weak and soft on each other? "Oh, please let me out of my belt", "Oh, okay then, you let me out of mine too ". Game over.
Unless one person is leading, there surely has to be some form of external lock, referee, or consequence that keeps both parties to the rules?
(Now I think of it I can see why your best friend was so wonderfully helpful to you! Make sure you buy her a "thank you" gift!)