Muscle reading, also known as "Hellstromism", "Cumberlandism" or "contact mind reading", is a technique used by mentalists to determine the thoughts or knowledge of a subject, the effect of which tends to be perceived as a form of mind reading.
Haim Goldenberg (born August 5, 1975) is an Israeli-Canadian mentalist, corporate entertainer, and host of the television series GoldMind.
Nefesch is also an instructor of the Mentalism School in Phoenix Arizona in USA.
The project, released in October 2009, was an effort to teach visually what Tony Corinda wrote about in his seminal book on mentalism.