Shaving razor was essentially a small piece of a straight razor attached to a handle using a clamp mechanism. Before each shave the blade had to be attached to a special holder, stropped with a leather belt, and placed back into the razor. After a time, the blade needed to be honed by a cutler. In 1895, King Camp Gillette invented the double-edged safety razor, which utilised inexpensive, disposable blades sharpened from two sides. It took him until 1901 to build a working, patentable model, and commercial production began in 1903. The razor gained popularity during World War I when the
Henry Jacques Gaisman he invented the glass-enclosed bulletin boards commonly used in hotel lobbies. He then worked briefly as a leather worker, then a leather dealer, and in 1894 moved to New York City where he sold his first financially successful invention, a belt that wouldn't slip. Later, he invented the safety razor, an invention which would allow him to develop into a wealthy businessman despite never completing his formal education. His safety razor was patented in May and July 1904, and was initially sold by the Auto Strop Safety Razor Company, a competitor to razor and blade manufacturer Gillette Razor Corporation, run