Who guarantee that the audience are not payed? I don't!
Dunno. Good stunt though, however he did it. Reminds me of the old joke.
"Why do elephants paint their toenails green?"
So they can hide on pool tables.
Ever seen an elephant on a pool table?
See. It works.

Devious, treacherous, murderous, neanderthal, sub-human of the West.