Explain that Stuff - "Automatic hair-cutting machine having programmed control means for cutting hair in a predetermined style" from US Patent 3241562 by Jean Gronier. Courtesy of US Patent and Trademark Office.
The Barber Eliminator - Hammacher Schlemmer
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An automatic haircut system is developed in which the robot arm cuts the hair by 3D scanning with iPhone X - GIGAZINE
Professional Hair Ends Trimmer Split Remover Dry Damaged Brittle Automatic Trim Split for Women Cordless Hair Cutting Machine - AliExpress
Amazon.com: FRCOLOR 1 Set Electronic Clipper Beard Razor Hair Trimmer Hair Clippers Rechargeable Electric Clipper Automatic Hair Clipper Facial Hair Trimmer Cordless Haircut Face : Beauty & Personal Care