product description:


This beautifully constructed handling of Mr. Goodwin's "Slap Exchange" (At the Expense of Grey Matter, 1989) allows four cards to be lodged face-up in the deck before they are made to transpose with four others. Agatha eliminates the many sleight-heavy maneuvers needed to accomplish previous methods and provides a direct solutions to a classic card problem among the community.
Completely impromptu using only sleight of hand and the ingenious thinking of Irving Quant.