The knee on belly position is a BJJ position in which the attacker has their knee or shin on/across the defender’s belly/chest...
This version of knee on belly allows you to keep somebody under your control for a long time...
You should aim to move the knee towards their sternum, pointing it to the middle, but not going past the line of the sternum.
-Triangle -Armbar -Gi Chokes -Leg Locks...