Definition: “Twisting the aces” is a well known magic effect with playing cards that is attributed to Dai Vernon. In the classic plot, you show four playing cards, aces, and then, in sequence, you cause a single card: heart, clubs, diamonds and then spades, to mysteriously turn over one after the other.
The effect requires sleight of hand skills and there are a variety of commercial tricks on the market that employ specialized sets or gaffed cards to alter or enhance the end result.
Examples:
The magician performed a classic effect with playing cards known as "twisting the aces."
