Ideas by Johnny Wong include: 1 (DFSTC) "Special gimmicks" (Eisenhower dollar)

It has an immediacy that cannot be duplicated by platform magic

and double foil stamped with bronze and gold

Guessing What Everyone In The Room Is Thinking At The Same Time

he uses subtle methods

SUB-CHANGE | Patricio Terán and JT Magic (Blau) Turner - Peter; Pigcake Ideas by Johnny Wong include:SUB CHANGE is a novelty and highly visual effect. The magician steps on a Joker card, and then asks the spectator to select a card. In an instant, the Joker under the magician's foot visually transforms into the spectator's chosen card. You can even perform a version where the spectator's card and the Joker under your foot switch places! Advantages: Unique & Eye Catching A card change underfoot is rare and always amazes audiences. Highly Visual, Yet