Comedy Glass in Paper Cone | Mr. Magic Gaetan From the introduction by Teller:

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Comedy Glass in Paper Cone | Mr. Magic Gaetan From the introduction by Teller:Suitable for stage or parlor, this trick is angle proof and requires no setup. Introduce a cup and a piece of paper. With the cup next to you, roll up the cone and place liquid inside the cone. With the cone safely holding the liquid, dip the cup into the cone and take it back out to reveal that the cup is now full of the liquid. Open the paper to show it empty and dry.