For the past four years, I have been allowing members of the audience to blindfold me with duct tape (of various and assorted colours). Some would say that this strikes most of the audience as unusual and sends a rather strange message about what my personal boundaries might be. Admitting all that, nothing like this has ever happened to me before: (No spoilers, see for yourself, apologies for the poor video quality)
This was filmed at Magic Tonight If you would like to see what the whole trick actually looks like, in colour, you can watch it here.