RE: rubber bands
That is dead on the drawing - pull it snug and good to go - it pulles off bu pulling up but to test - just stick them together in your hand and try to pull them apart long ways - you have to be superman to do it - Damm I think I started a revelalution - but not my Idea it came from the it came from the guus at Corks field - the plane you seen is not the one buy the way and they use white velcro - Hell red or striped works same
Give it a try - put it on a trainer or anything we do it on Sr telemasters and Sr Kadets