Most bar tricks involve establishing your dominance over your fellow patrons by beating them at pool or hitting on their significant other. Tired of those? Why not try one upping them with math? This video will show you how to pull a great trick / prank called the Easy Magic Square Trick. All you need is a napkin, victims, and a pen. The trick allows you to make a magic square very quickly, and will make you look like a math savant and win free drinks.
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