Cosplay is nothing new for nerds. They picked up the practice from Japanese otaku, and it runs rampant at comic conventions. From shoddily-put-together costumes to amazing Iron Man armor with working details, there are plenty of people who get it wrong and get it right. The same goes for clothing tradeshows and fashion events. People show up dressed to impress hoping to get street styled, while some even get their pets in on the action. It can get a bit costumey when guys try too hard, but there are still a handful of practical tips any man can learn from these dudes who make it their duty to outdress everyone else.