have a linen or canvas back. Shaving soap in a cup is traditionally lathered and applied using a rotating in-and-out motion of a shaving brush, usually made of boar or badger bristles. In the heyday of straight razor shaving, wealthy users maintained a weekly "rotation" of seven razors to reduce wear on any one piece. Straight razors were often sold in special boxes of seven labelled for the days of the week. Modern use Straight razors are still manufactured. DOVO, of Solingen, Germany, and Thiers Issard of France are two of the best-known European manufacturers. Boeker of Solingen is yet another cutlery manufacturer known for their straight razors. Wusthof and Henckels are two prominent knife manufacturers in Solingen who also produced straight razors. Thiers Issard and Hart Steel are famous for their decorated blades and their Damascus steel. Feather Safety Razor Co. Ltd. of Osaka, Japan, makes a razor with the same form as a traditional straight, but featuring a disposable blade that can be installed through an injector-type system. Artisans also make handcrafted custom straight razors based on their own designs, the designs of their customers, or by finishing old blanks of blades. Modern straight-razor users are known to favor them for a variety of reasons. Some are attracted to the nostalgia of using old and traditional methods of shaving. Others wish to avoid the waste of disposable blades. Still others argue that straight razors provide a superior shave through a larger blade and greater control of the blade, including the blade angle. Straight razors cover a much greater area per shaving stroke, because their cutting edge is much longer than any of the multi-blade razors. They also do not have to be rinsed as often, because their blade acts like a scoop and carries the lather on it during multiple shaving strokes, while the multi-blade razors are not nearly as efficient at such a task because of their considerably smaller blade geometry. Straight razors are also much easier to clean and can handle tougher shaving tasks, such as longer facial hair, than modern multi-blade razors, which tend to trap shaving debris between their tightly packed blades and are easily clogged, even with relatively short stubble. In addition, multi-edge razors can irritate the skin due to their multi-blade action, and this can lead to a condition known as pseudofolliculitis barbae, colloquially known as razor bumps. One of the recommended