It has occurred to me that the bar exam is in many ways a hazing, which is why the Bar Examiners don't make the test conditions pleasant. I have heard that in Virginia, candidates are required to sit for the exam in courtroom attire. It's all part of getting admitted into the club.
C.S. reports that there are other kinds of initiation rituals still being practiced in other professions. Major League Baseball, for example. Here's what the Florida Marlins rookies are wearing today as they leave Shea Stadium to ride the subway back to their hotel. Details to follow, no doubt!