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 product, the Gem Safety Razor, borrowed heavily from the Star Razor in design but soon outpaces the Star in sales. In 1903 Jerry Reichard leaves Gem Safety Razor Company to form yet another razor and blade producer, along with August Scheuber the company was briefly named 'Reichard & Scheuber Manufacturing Company' before it became 'The Yankee Company'. The Yankee Company made wedge-blade razors under the name Yankee, Mohican & Winner. The Yankee Company, is renamed Ever-Ready in 1905. Gem & Ever-Ready merge in 1906 and is incorporated as the Personna American Safety Razor Company. In 1906, abandoning the wedge-blade design,