4X4 by Quique Marduk - Trick Ian; Wong - Alan Kendall *The Gimmick is easy to

*The Gimmick is easy to make and all is explained by way of the PDF

and was originally applied to slates by spirit mediums

the "First Couple" of magic and perhaps the greatest exponents of grand illusion ever to grace a stage

Hockleys' Coin Vanish

the spectator can dictate when any two cards can be switched

4X4 by Quique Marduk - Trick Ian; Wong - Alan Kendall *The Gimmick is easy toThe illusionist hands an envelope with a prediction to a spectator to hold it until the end of the routine. Next, he calls 4 spectators and places a plate with a number on each one (numbers 1 to 4) hanging from their necks. Then he shows a display that has 5 envelopes and asks the 4 spectators to choose one envelope each, and when they open them they will find a card that can be red or black. Each spectator visibly holds the card in his hand. Now the