Safety razor the second blade cuts it further. The extent to which this is of practical consequence has, however, been questioned. Gillette introduced the first triple-blade cartridge razor, the Mach3, in 1998, and later upgraded the Sensor cartridge to the Sensor3 by adding a third blade. Schick/Wilkinson responded to the Mach3 with the Quattro, the first four-blade cartridge razor. These innovations are marketed with the message that they help consumers achieve the best shave as easily as possible. Another impetus for the sale of multiple-blade cartridges is that they have high profit margins. With manufacturers frequently updating their shaving systems, consumers can
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