Razor be used on both sides, with two open edges. The blade on the double-edged safety razor is slightly curved to allow for a smoother and cleaner shave. In 1901, the American inventor King Camp Gillette, with the assistance of William Nickerson, patented a new variation of safety razor with disposable blades. Gillette realized that a profit could be made by selling an inexpensive razor with disposable blades. This has been called the razor and blades business model, and has become a very common practice for a wide variety of products. Many other brands of safety razors have come and gone.
Underbelly: Razor Underbelly: Razor Underbelly: Razor, the fourth series of the Australian Nine Network crime drama anthology series Underbelly, originally aired from 21 August 2011 to 6 November 2011. It is a thirteen-part series detailing real events that occurred in Sydney between 1927 and 1936. The series depicts the "razor gangs" who controlled the city's underworld during the era and the violent war between the two "vice queen" powers, Tilly Devine and Kate Leigh. It is also the last season in the "Underbelly" franchise that contains 13 episodes. In contrast to the previous "Underbelly" installments, which were based on books by John