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.
