Razor and blades model the disposable safety razor and founder of Gillette Safety Razor Company, Gillette did not originate this model. The urban legend about Gillette is that he realized that a disposable razor blade would not only be convenient, but also generate a continuous revenue stream. To foster that stream, he sold razors at an artificially low price to create the market for the blades. But Gillette razors were expensive when they were first introduced and the price only went down after his patents expired: it was his competitors who invented the razors-and-blades model. This model has been used in several businesses for
Straight razor and balance of the razor. A razor is well balanced if when opened it balances about its pivot pin, indicating that the torques about the pivot point, caused by the corresponding weight distributions of the blade and the handle about the pivot pin, counterbalance each other. A well-balanced razor is both safer to handle when open and easier to shave with. The characteristics of each blade type determine the type of recommended uses for each blade as well as their maintenance routines. Each type has its own strengths and weaknesses depending on the requirements of use. Extra hollow blades such