This is a great version of the B'wave effect, but there is no need to force a suit via equivoque, and there is no extra sleight of hand. The effect is this: a small card wallet is shown and placed on the table in full view. A spectator is asked to name any Queen, no force or influence on which suit she chooses. The case is picked up, and a packet of four cards is removed. The chosen queen is face up among the face down cards, and then is shown to have a different color back. And to finish off the mind-blowing experience, the other three cards are shown to be blanks! The card they freely chose is the only queen in the packet. The addition of the special card wallet, which is simply, but deceptively gaffed, does the dirty work! And if you know the twisted sisters routine, you can do it with this set also, plus the wallet can be used to switch small packets.