Sounds like a new and unique 'bar game' in the making.
Imagine the scene ... in front of the MTB, with a load of BGs looking on, and a huge number of tourists looking on in pity (and probably cowering and covering their eyes).
The 'player' is seated in a reclining chair with the whole 'meat and two veg' on display, and is handed a glass of beer (no bottles allowed!). The chosen BG administers the waxing procedure, and if the player can finish the waxing without spilling any beer, he gets his beer free for the evening. If he flinches and/or spills his beer, then he has to ring the bell, and buy a 'lady drink' for all the girls in the bar.
Anyone like to add any more rules?