Safety razor become locked into buying their proprietary cartridges, for as long as the manufacturer continues to make them. Subsequent to introducing the higher-priced Mach3 in 1998, Gillette's blade sales realized a 50% increase, and profits increased in an otherwise mature market. The marketing of increasing numbers of blades in a cartridge has been parodied since the 1970s. The debut episode of "Saturday Night Live" in 1975 included a parody advertisement for the Triple Trac Razor, shortly after the first two-blade cartridge for men's razors was advertised. "Mad" magazine announced the "Trac 76", arranged as a chain of cartridges with a handle
Rolls Razor by Quistclose Investments This was a landmark case which created the concept known as a Quistclose trust. Manufacture continued with machines built by the engineering company Tallent (who built the company's dishwashers), who re-branded them as such briefly, but by 1965 the machines were marketed as Colstons before the appliance division of Tallent was taken over by the Italian firm Ariston in 1979. Rolls Razor Rolls Razor Limited was a British company known first for its manufacture of a sophisticated safety-razor and later, under new ownership, an "affordable" twin-tub washing machine. The eponymous product was a sophisticated safety-razor which promoted