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A head twister inside The Puzzling Place, Keswick, Lake District, Cumbria, UK. A museum of strange illusions Stock Photo - Alamy
Tim Clothier - Illusion Projects, Inc. - Introducing the newest prop to Illusion Projects - Clothier's Cranial Convolution Contraption (AKA - Head Twister). For more information, turn to the Illusion Projects webpage
Promotional Videos - Laflin Illusion: Head Twister on Vimeo
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Affordable Head Twister Illusion | Bob Solari Magic Shop
3/16'' x 1-1/4'' Hex Head Phillips/Square Wall Twister Kit | LH Dottie