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
A Blade in the Dark and neighbors are murdered by a razor-wielding slasher, and there is a weird next door neighbor who is a key suspect. Lamberto Bava was offered to direct "A Blade in the Dark" while he was assisting Dario Argento on "Tenebrae" (1982). The film was written by the husband and wife writing team of Dardano Sacchetti and Elisa Briganti. Bava and Sacchetti recalled that their collaboration was difficult, with the two being more friendly during the production of "Twitch of the Death Nerve" (1971), but their approach to this film was at odds with each other. The film was initially commissioned