Shaving Sword introduced the 'bonded blade' razor, which consisted of a single blade housed in a plastic cartridge. Gillette followed in 1971 with its Trac II cartridge razor that utilised two blades. Gillette built on this twin blade design for a time, introducing new razors with added features such as a pivoting head, lubricating strip, and spring-mounted blades until their 1998 launch of the triple-bladed Mach3 razor. Schick launched a four-blade Quattro razor later the same year, and in 2006 Gillette launched the five-blade Fusion. Since then, razors with six and seven blades have been introduced. Wholly disposable razors gained popularity
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,