make sure you are opening your mouth in a straight line. hold for a short moment. do not push yourself.
watch yourself, in a mirror, and open mouth slowly. move bottom jaw slowly right and then left. be sure to used controlled and slow movements, and do exercise in a straight line. repeat throughout the day.
click your tongue. do this repeatedly with mouth closed and then with it opened. again, do this slowly, in control and in a straight line.
with thumb, carefully stretch your bottom jaw. hold for 30 seconds. do this 5 or 6 times.
hold your fist under chin. try to slowly open your mouth against your fist. repeat up 