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.
The Final Cartridge III The Final Cartridge III The Final Cartridge III was a popular extension cartridge which was created for the Commodore 64 and Commodore 128, produced by the Dutch company Riska B.V. Home & Personal Computers. It offered a fast loader, increasing the speeds of the disk drive, and a "freezer", allowing the program execution to be stopped to be resumed later. The cartridge featured a "reset" button and a "freeze" button, as well as a LED that indicated whether or not the module was active. The cartridge featured a "Final Kill" option (accessible through the desktop, freezer or BASIC) which disabled