Quartet by Mark Mason

The trick everyone is talking about QUARTET by Mark MasonI have been working on this idea for several years, tweaking and re tweaking it. Finally, it's ready to go. Two cards are removed from a small wallet. one has a red back and one a blue back. Both cards are folded into Quarters. NOTHING IS ADDED or STOLEN AWAY. You SIMPLY FOLD THE 2 SAME CARDS. The cards are placed behind your back and mixed around. The spectator is asked to guess which hand has the RED CARD and which has the BLUE CARD. Obviously, this is just a guess as both cards are hidden in the hands. You offer to make this a lot easier, both folded cards are placed in the left hand. The red card is openly removed. Now there is no guess as they can see the red card. Without any cover the cards VISUALLY CHANGE PLACES. You really have to see this to believe your eyes. You offer to repeat this a 2nd time. Now you openly remove the blue folded card. Once again, they change places. Next you offer to show them how this works. The r