QUOTE (WombatOneSix @ Jun 17 2007, 12:28 AM)

Its good to see a practical application for mawashi-uke, but I do wonder how this would stand up at a faster pace or in a "live" situation - would this be the first choice of block?
It can be done very fast and it is very practical. But to make it fast and practical I'd do it a little differently to how its shown on this video. For a start I'd recommend moving your body, either backwards or forwards at an angle, to place you at a position of advantage (I notice though that this Pangai Noon Ryu teacher does do this in some of the other vids). I'd also start with my arms in a more central guard position and make the whole arm movement smaller and more natural.
One of the mainstays of our training is practice of tegumi drills similar to Patrick McCarthy's renzoku-geiko-waza. You can use the same principle of 'intercept with one hand, control with the other' to deal with a variety of different strikes and grabs, and even combinations of strikes and grabs.
QUOTE
And what would be the counterattack to this?
I'm not sure what you're asking. What would you do after you've blocked? Almost anything you like. Its an essential part of the block for that you
a) place yourself in a position of advantage
b) unbalance the attacker
What you actually hit them with is dependent partly on the situation and partly on your personal preferences. A palm-heel, knee, elbow combination usually works well for me.
Even if you manage neither a) or b) you can still be counterstriking before your block is complete and before the attacker's technique is finished. One key point is to NOT intercept with, say, the left hand then pass to the right to control while the left returns to the hip before striking. The left hand should only retract as far as is necessary to give a clear trajectory to the target, without your right hand or the attacker's arm getting in the way.
Mike