hachimaki
A type of Japanese headband made of cloth or twine worn to signify dedication to extreme effort.
A plane hachimaki is commonly used in a sports day / festival of Japanese school to indicate the team color and to try to increase their motivations / kiai (気合, "fighting spirit").
Another common type of hachimaki is printed a red circle of Japanese flag or previously rising sun emblem or / and a short inspirational slogan meant to be displayed across the forehead.
If the headband is twisted, that is called a nejiri hachimaki which is commonly worn by participants of a Japanese festival.
Examples
See Also
This tag implicates headband (learn more).
The following tags implicate this tag: nejiri_hachimaki (learn more).