Get Professor X (or someone equivalent with a sense of humour)
And get all of the protestors within 100 yards to punch themselves in the face repeatedly, until they either pass out, or go beyond the 'punch line'
( Agnostic Antichrist Baltimora, Fri 10 Dec 2010, 11:28, 2 replies, latest was 15 years ago)

I would love to see a line of people marching angrily forward
crossing an invisible line and then all simultaneously punching themselves in the face.

I'm laughing just picturing it
( Vipros. clever got me this far, then tricky got me in, Fri 10 Dec 2010, 11:32, Reply)

I hadn't visualised it until you said this
Now, so am I!
( Agnostic Antichrist Baltimora, Fri 10 Dec 2010, 11:34, Reply)

Professor Griff has a sense of humour.

Oh, hang on.
( Monty Boyce, My cheese game is strong, Fri 10 Dec 2010, 11:40, Reply)

I've just had to look up who that is
*shame*
( Agnostic Antichrist Baltimora, Fri 10 Dec 2010, 11:43, Reply)