Shown two cards, you can twist it just by lightly scratching cards and cards.
And you can show the back side to the audience as it is, the last card is returned to the original by just playing with your finger.
A clear twist phenomenon can easily occur.

Commentary A detailed explanation is given to how to make gimmick so that you can make it even with your own cards as well as routines in the video.
The movie is downloaded on the Internet and you view it.