Lock by Victor ZATKO and Magic4Pro

Lock by Victor ZATKO and Magic4Pro Effect : You show two red-backed cards each with its own keyhole! You invite your spectators to look through them. Nothing to hide? Your two cards are placed in full view on the table as the spectator freely chooses a card from the deck. You invite him to sign it before it is once again shuffled back into the deck. You pick up the two cards that have been in full view on the table and put them on top. As you slowly move the two cards, your