Conjuring Credits

The Origins of Wonder

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ATFUS

This method for switching one or more cards in a packet being displayed one card at a time as they are drawn off the packet is the creation of Edward Marlo. The name is an acronym for Anytime Face-up Switch. Alex Elmsley published a similar procedure in his trick “Still Taking Three” in Pentagram, Vol. 10 No. 12, Sep. 1956, p. 92). Eighteen years later, Marlo improved on Elmsley's procedure (and claimed to have preceded Elmsley by three years in his switch). Marlo's published sequence of related switches started with the Face-Up Switch, New Tops, Vol. 4 No. 2, Feb. 1964, p. 17; then ATFUS, New Tops, Vol. 4 No. 4, Apr. 1964, p. 33; FUFU Switch, New Tops, Vol. 4 No. 7, July 1964, p. 4; and the Simulated Pickup, New Tops, Vol. 7 No. 8, Aug. 1967, p. 16.

See also Braue Addition and Secret Subtraction.