Icewater
Orange Belt
Bodyglide will do the trick. I have not tried the underarmour. It would be like a fat guy wearing spandex, just not right. Also you can grab some pasties from your local nudy bar.
As for the backdoor kiai, I once stunned an opponent with a high kick that let out the blast. A quick smile made him and the rest of the class start giggling. So I punched him. It was still funny.
Icewater
As for the backdoor kiai, I once stunned an opponent with a high kick that let out the blast. A quick smile made him and the rest of the class start giggling. So I punched him. It was still funny.
Icewater