[1] The top and the upper portion of the back and sides are cut the same length, generally between 1⁄4 and 1⁄2 inch (6 and 13 mm), following the contour of the head.
The hair below the upper portion of the sides and back of the head is tapered short or semi-short with a clipper, in the same manner as a crew cut.
[1] A brush that is cut at less than 1⁄4 inch on top may be referred to as a burr.
Since the lesbian subculture of 1940s America, "butch" has been present as a way for lesbians to circumvent traditional genders of women in society and distinguish their masculine attributes and characteristics from feminine women.
Conversely many punk cultures and movements have likewise adopted brush haircuts as a form of personal identity and of rebellion.