'By chance I happened to be vacationing at a beach where a preponderance of gay men was fortuitously noticed.
How difficult is it to collect hair-whorl-direction data? Klar explains that he, for one, got lucky: It takes two mirrors to observe one's own hair-whorl.' His monograph includes a photograph showing the 'scalp hair whorl of an anonymous man selected from the general public', and directs the reader to hold that picture in front of a mirror in order to 'appreciate the counterclockwise orientation'. 'Since the hair whorl is found at the top ('crown') of the head and thereby it is difficult to observe one's own whorl and the direction of orientation is seemingly an unimportant feature, most people are oblivious to the direction of their hair-whorl rotation.
