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.
Pacific razor clam Pacific razor clam The Pacific razor clam, "Siliqua patula", is a species of large marine bivalve mollusc in the family Pharidae. Pacific razor clams can be found along the Pacific West Coast from the eastern Aleutian Islands, Alaska, to Pismo Beach, California. They inhabit sandy beaches in the intertidal zone down to a maximum water depth of about . This species has an elongated oblong narrow shell, which ranges from in length in the southern portion of its range, with individuals up to found in Alaska. It is similar to the smaller Atlantic razor clam, "Siliqua costata", which is found