Dangerous Techniques and Children

[sensei8]

Serious harm?!? Imho, a basic reverse punch, for example, can cause serious harm, and this 'weapon' is learnt by white belts, so...

When and where is the line to be drawn?

And how is the line defined?

Imho, it's not the 'weapon' that one should be concerned with, but it's with the practitioner who weilds said 'weapon'!