mysteries of the mane

For those few out there who do not know... yes it's Thursday, but there is a Steelers game tonight. From Slate's great explainer is this article of all the questions they did not try to answer this year. Some are pretty funny, but I wonder who this question refers to (it really is in there, on the third page of the article):

Why don't long-haired football players, many of them of Polynesian descent, get their tresses tugged during their gridiron clash?