Twinkle (Gimmicks and Online Instructions) by Tristan. TENo one will give up the pursuit of light. Only when there is light, there is a shadow! And you are about to have the ability to control light and shadow! The Twinkle idea turns on the flash of the phone + the ability to create 2 types of shadows Brief description of magic effect: The mobile phone (any model) borrowed from the audience, the mind control turns on his mobile phone's flash, and it senses the playing card he has selected. And can create