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
Razor-qt Razor-qt Razor-qt is a discontinued free and open-source desktop environment. It was intended as a lightweight desktop environment based upon the Qt application framework, and was "tailored for users who value simplicity, speed, and an intuitive interface." Development of Razor-qt has ceased, as it has merged with LXDE's Qt port to form LXQt. Razor-qt was still in the early stages of development. , the environment included a panel viewer and switcher, a desktop, an application launcher, a settings center and sessions. These components could be enabled or disabled by the user. Razor-qt could be used with any modern X window