Designed by inventor Albert Todd. It is one of two anti-masturbation devices he took to the U.S. Patent office in 1903. This one is a wire-coil penis and testicle cage that would, in Mr. Todd’s words, "limit longitudinal extension...and resist any reasonable effort on the part of the wearer in an attempt to break or cut it."

The cage was apparently not sufficient by itself, so a galvanic belt composed of zinc and copper plates that generated an electric current was built in.

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