Native Americans and others, whose long hair gives them special abilities

There are different traditions in the world, in which long hair is seen as a means of being able to sense soft sounds and movements, without seeing the movements, or with other people not hearing the sounds. That was proven in WW2 regarding Native Americans who were drafted to the US Army, had to have an army haircut, lost that special abilities, then were allowed to grow their hair according to their traditions, and regained those special abilities.