"A bun is a type of hairstyle in which the hair is pulled back from the face, twisted or plaited, and wrapped in a circular coil ...
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around itself, typically on top or back of the head or just above the neck. A bun can be secured with a hair tie, barrette, bobby pins, one or more hair sticks, a hairnet, or a pen or pencil. Hair may also be wrapped around a piece called a "rat". Alternatively, hair bun inserts, or sometimes rolled up socks, may also be used to create donut-shaped buns. Buns may be tightly gathered, or loose and more informal." - (en.wikipedia.org 05.10.2019)
