Spiderman

Piece of cake! I think I could do that on the ol beast!! Lol. Just let me tip a few back first! It will help with the pain.
 
That guy is almost as good as me!!
 
I wonder how one practises that without falling over backwards and breaking one's neck a few times.
 
Steve McQueen could do that with one hand on a Triumph but the wall would need to be barbed wire.