Current V2 Playing Cards by BOCOPO Stand-up & Parlor Magic You can also perform this

You can also perform this effect using words without a deck

They concentrate all their energies onto one of them

this new book is also a knock out and a must read

Pi is an impossible memory effect

aka "British Bad Boy of Hypnosis" Jonathan Royle

Current V2 Playing Cards by BOCOPO Stand-up & Parlor Magic You can also perform thisInspired by circuit boards with a sense of science and technology, circuit elements in pink and blue are all over, incarnating as visual currents, flowing and intertwining the entire deck of cards! On the back of the card, the very fine lines of the analog circuit are staggered, spreading out from the central positioning point to the surroundings; Behind the simple lines, the circuit elements of the same theme adds a layer of dark lines to the card