And the lower hand needs attention as well as the upper hand--the lower hand has to be someplace where it's actually got a chance to protect a knee or the groin or something, not just vaguely in the air. I mostly worked on the stuff in the first paragraph, though.
These are both really valuable--a lot of what Dave Borofsky (my teacher) and I have been working on lately has been cleaning up the effects of earlier teaching approximations.
Still no comments on T'ai Chi stuff. Maybe it should be a separate lj?