Originally Posted by SystemicAnomaly
An elbow brace like Band-It can be an excellent feedback device. Adjust the brace so that it is snug, but not overly tight when the forearm is in a relaxed state. If you squeeze the handle of your racquet too tightly, too soon or too often, the brace should remind you to relax your grip.
If you grip too tightly and too often, the action can contribute to your TE.
That's a great point, SA.