Starheart presents Slip Black (Gimmicks and Online Instruction) by Doosung Hwang - TrickFrom now on, the gravity is yours! Introducing practical tools to use psychokinesis anytime, anywhere! The SLiP is a small but very powerful and practical gimmick that can show psychokinesis to audiences anytime, anywhere. You can drop the audience's objects whenever you want without using wind, magnets, or threads. Also, it is very portable, and you can use it with various items around you, such as cards, cigarettes, and beverage bottles. In