Conjuring Credits

The Origins of Wonder

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Secret Separation of Top Card from Cased Deck

The idea of secretly slipping the case flap between the top card and the rest of the deck appears in “Improved Penetrating Card” in Glenn Gravatt's Encyclopedia of Self Working Card Tricks, 1936, p. 394; and later as “The Penetrating Cards” in Jean Hugard's Encyclopedia of Card Tricks, 1937, p. 338.