One very important concept in kung fu, particularly chin na is something called, “sticky hands”. The idea is that as soon as someone makes the mistake of grabbing onto you, they’re stuck to you like a fly on a spiderweb typically by your hand(s) pressing their hand to your body. Even if they try to escape – it will be too late. Applying a chin na technique quickly follows “sticky hands” and your aggressor at this point is probably wishing he could get away. By the time the chin na movement is completed he is wincing in pain and likely begging you to let go.
The key to “sticky hands” is to smoothly press your opponent’s hand onto your body (wherever you’re being grabbed) and continue to “smoothly” execute your chin na technique. Successfully applying a chin na technique requires a good deal of time and practice to learn the technique and master the joint locking, footwork, power, weight, etc. that goes along with it. However, chin na is a very practical aspect of your martial art and the first step to making it work is understanding the concept of “sticky hands”.