Effect 1:
Show a prediction,
Spectator, takes the deck behind his back, or under the table, takes one card from the middle, reverse it, and put it back anywhere in the middle. You have predicted the card they freely reversed!
Effect 2:
Two spectators, each with a deck of cards, they take any card from the middle behind their backs, and put the card back into the pack. When the decks are spread, both reversed cards match!
Diferent mehods taught