David Knowlton wrote:
I agree that we should Train for symmetry - so why don't we train left handed sword techniques?
In some places, they do. I have seen Swedish and German aikido teachers during a seminar they taught together telling/showing each other, slightly enbarrassed, that they teach/train both sides only to get the reply that the others did the same. "Just never do it when there's a Japanese [teacher] around!"