Razor razors were the most common form of shaving before the 20th century and remained common in many countries until the 1950s. Barbers were specially trained to give customers a thorough and quick shave, and a collection of straight razors ready for use was a common sight in most barbershops. Barbers still have them, but they use them less often. Straight razors eventually fell out of fashion. Their first challenger was manufactured by King C. Gillette: a double-edged safety razor with replaceable blades. Gillette's idea was the use of the "loss leader" concept, in which the razors were sold at a
Razor (scooter) using a bike would be excessive. Freestyle scootering is a growing sport. Due to the rough demands of trick riding, people often reinforce the scooter to withstand impacts and high force. The Razor scooter is safe for children of many ages, as well as adults, to ride. Razor recommends that kids under the age of eight ride with adult supervision. Razor also endorses the use of protective gear when riding; helmets should always be worn by riders of all ages and elbow and knee pads are an optional addition. To increase the safety of younger riders, a different model of