Begin with a simple stretch of face. Garret Daun of Command Z learned Radical Undoing from Christopher Hyatt. Christopher Hyatt learned the Reichian body therapy techniques from Israel Regardie and created Radical Undoing. Israel Regardie learned it from an unnamed Reichian therapist. A few generation earlier it was teached by Willhelm Reich himself. Garrett Daun is one of the individuals who teaches the exercises with his own twists today.