What's the name of the knife for shaving hair in the barber shop?

The razor in the barber shop is called a razor.

Razor is a tool used by people to shave and cut hair, which is mainly obtained by rubbing the blade of raw cowhide.

The combination of straight blade and handle is open, also called throat cutting. As we all know, this is the most commonly used shaving tool before the 20th century. Mainly used by hairdressers. A straight razor includes a sharp blade and a clip-like handle. The cutter head is generally made of high carbon steel or stainless steel, and a pin hole is fixed between the handle and the cutter head, so that the cutter head has a free rotation space of more than 270 degrees.

The traditional materials of razor handle are: pearl shell, celluloid, bone, horn, plastic and wood.