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The magician takes out a shiny steel knife to show his audience. Then, he slashes his own arm with the knife very swiftly. As the audience screams and gasp in shock, the steel knife is plunged into half of the audience’s arm, and blood begins trickling down his arm slowly.

When the audience is still in shock, the magician as rapidly removes the knife from his arm; his arm is unharmed and fully healed. This trick can be used for stage and street close-up performances, and its effect is always well-received.