Quote Originally Posted by mig View Post
Is there a book, article that gives the rudiments for a better understanding of this hungkyun form? I noticed that there are many YouTube clips and some long ones about this form. Any help is much appreciated.

Thanks,
Let me tell that form is heavy guarded it has faill safe in the true form If your kung fu is not on a very high level you can die by doing it yourself .
My nephew came across that form and tried to learn it by himself he threw up blood and had blood clots in his lungs