Julian,
Hit anywhare that will do some damage, ie stop the fight; thats the essence of what you train for.
(am I allowed to show this to kids
)
Yes apart from 'Kinteki' and 'Ushiro inozuma', been hit in the 'Kinteki' a few times

, and it hurts, do'nt fancy being approached at the 'Ushiro inozuma' at all
