General effect: A prediction of 2 cards is written on a business card, which the spectator inserts into a face-down deck. The magician turns each half of the deck face up, and the prediction is shown to match the card above and below the business card.
This "move" acts sort of like a pass, switching each half of the deck so that the original top and bottom cards are now above and below the business card. I know this move can be used for various effects, but does it have a specific name?
Any info on its history would be appreciated,