Sheer Luck - The Comedy Book Test (Online Instructions) by Shawn Farquhar"Sheer Luck is a workers trick out of a workers repertoire and it has been tested, performed, and perfected in real world situations." PAYNE, M U M Magazine Shawn Farquhar, FISM Grand Prix World Champion of Magic, performs and explains in detail an effect that has been used in his show since 2011 when he presented it at the famed 4F convention in New York. This has been described as the "paper balls over the head" of mentalism. It's the perfect piece