The most important part of any successful submission is the setup. Getting into the hold itself is the hardest part. Once you’re there you’re good to go, so submissions setups are key to successful grappling attacks.
Check out this cool way to land a kneebar from BJJ black belt Robert Soliz.
What’s great about this move is that it is very difficult to stop once you get your foot in his armpit. The setup is what really sets this attack apart from other kneebar attacks in the half guard.