Finding a way to assess a man's penis size with all of his clothes on has long been the holy grail of, well, anyone with a vested interest in penis size. The old standbys — hand, foot and nose sizes — have been discredited as viable indicators, the LA Times reports. (Though I'm not so sure if I buy that.) But a team of Korean researchers think they have at last unlocked the elusive Hung Code, and the answer lies in comparing the lengths of the index and ring fingers.