Italian magician Diego Voltini loves mathematical challenges and spent ages trying to find a simple and effective solution that requires minimal memory work

Like some kind of souvenir / advertising ploy

The Business of Street Magic 3

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Michael Skinner's Ultimate 3 Card Monte rot | Murphy's Magic Supplies Inc. Oz Italian magician Diego Voltini lovesU3CM is Michael Skinner's self working miracle, THE ULTIMATE 3 CARD MONTE! U3CM has been performed by professional magicians around the world for decades. Now, you have the opportunity to perform this Miracle yourself.. Don't be fooled by the fact that it almost works by itself! Michael Skinner along with thousands of magicians worldwide have fried audiences with this routine! Fits right in your pocket or wallet. You will carry this with you