Sorry about the title. Couldn't help it, I swear!
TKD master Colin Wee takes on the Axe Kick in this excellent critique.
Money quote: "I once had a visiting black belt who used this particular axe kick frequently in sparring. None of our students could understand why - since it wasn't really hitting them. When I pulled her aside she said the kick was to knock someone out. So I told her to perform the kick, and I lunged in and took the downward falling axe kick right on my forehead - full...
This is a summary. Please click the title link to read the rest!