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.
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