Here is a head kick that connects!
http://www.dailymotion.com/visited/search/tae+kwon+do+vs./video/xneq1_tae-kwon-do
http://www.dailymotion.com/visited/search/tae+kwon+do+vs./video/xneq1_tae-kwon-do
Yea I thought it was pretty quick as well, it is amazing when I see someone get cought with that kick
I would have to say the winner should good timing and the defeated person should lack of respect for the spin as both hands were at chest level.