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
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