A Karate exponent often does not know how to counter a chin-na technique

If you can successful apply chin-na against many martial artists, including Karate exponents, they often do not know how to free themselves from this attack. This is because there are no techniques in their repertoire against chin-na. This does not mean that you will definitely defeat them. If they are skillful, you may be unable to apply chin-na on them. Some examples of chin-na are shown here.