Master the Gilbreath Principle - Deep Breath by Mat Parrott - Trailer

Mat Parrott demystifies an esoteric mathematical principle first published over 50 years ago by Norman Gilbreath; The Gilbreath Principle.
Only a handful of the world’s most accomplished mentalists understand the power of this ingenious concept and how it can be exploited to create explosive demonstrations of power.
Learn the secrets at the1914.com/pr...