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 shell Razor shell The razor shell, "Ensis magnus", also called razor clam, razor fish, or spoot (colloquially), is a bivalve of the family Pharidae. It is found on sandy beaches in Northern Europe (south to Bay of Biscay). In some locations, the common name "razor shell" is also used to refer to members of the family Solenidae, including species of the genera "Ensis" and "Solen", by some taxonomic classifications which include the family Pharidae within the family Solenidae. It prefers coarser sand than its relatives "E. ensis" and "E. siliqua". It is known for its elongated, rectangular shape, whose similarity to