Safety razor entitled "Fuck Everything, We're Doing Five Blades" predicted the release of five-blade cartridges, two years before their commercial introduction. South Korean manufacturer Dorco released their own six-blade cartridge in 2012, and later released a seven-blade cartridge. Gillette has also produced powered variants of the Mach3 (M3Power, M3Power Nitro) and Fusion (Fusion Power and Fusion Power Phantom) razors. These razors accept a single AAA battery which is used to produce vibration in the razor; this action was purported to raise hair up and away from the skin prior to being cut. These claims were ruled in an American court as "unsubstantiated
American Safety Razor Company and blade production remained in Brooklyn. By 1921, it had produced 1,800,000 safety razors; 110,000,000 razor blades; 1,000,000 shaving brushes; 2,000,000 cakes of shaving soap. By 1942, it had introduced and popularized the phrase "five o'clock shadow". In 1953, it acquired the Pal, Treet and Personna brands after purchasing the Pal Blade Company. These two product names continue to be made today. In 1954 the factory relocated to Staunton, Virginia, after the Brooklyn City Planning Commission's planned civic center encroached on the factory with plans to redevelop the industrial area into office and residential use. The American Safety Razor factory