Paying attention… Most people can’t afford to and the people that can won’t even bother because its outside their paygrade. My martial arts mentor is really into hats, Fedoras in particular. There was always one on his head when he stepped into the dojo before he changed into his Gi to train. One day, after training as we were changing, he finished up by showing me one and explaining the overly complex anatomy. (yes there is one) The leather sweatband, the depth of the den