Razor razors were the most common form of shaving before the 20th century and remained common in many countries until the 1950s. Barbers were specially trained to give customers a thorough and quick shave, and a collection of straight razors ready for use was a common sight in most barbershops. Barbers still have them, but they use them less often. Straight razors eventually fell out of fashion. Their first challenger was manufactured by King C. Gillette: a double-edged safety razor with replaceable blades. Gillette's idea was the use of the "loss leader" concept, in which the razors were sold at a
Razor shell minor perturbations in, for instance, salinity and temperature. They will emerge from their burrows if salt or brine is poured in. Razor shells have been found to be vulnerable to germinoma, a variety of tumour. 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