In Japanese, what do you call. . .?

Question

that cloth that is worn around the head. . .either when studying for an exam, or when carrying an omikoshi. . . etc.

I know there is no exact word for it in English, so I can't look it up.

Answer 1

Yes, hachimaki.

http://en.wikipedia.org/wiki/Hachimaki

Answer 2

Nejiri hachimaki  (twisted headband) in the situations you give.

Answer 3

It is Hachi-Maki, headband.

http://en.wikipedia.org/wiki/Hachimaki

Answer 4

"hachimaki".

Answer 5

I believe it's called a "Hachimaki".