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.
Death of a Salesman (1951 film) was a more typical American salesman, and was an attempt to defuse possible accusations that "Death of a Salesman" was an anti-American film. Eventually, Columbia agreed to remove the 10-minute short from the film's theatrical run. Miller saw "Career of a Salesman" as an attack upon his work, proclaiming "Why the hell did you make the picture if you're so ashamed of it? Why should anybody not get up and walk out of the theatre if "Death of a Salesman" is so outmoded and pointless?" He argued against the portrayal of the salesman profession as "a wonderful profession, that people