Originally Posted by Limpinhitter
Cross court drills with a partner or machine. Keep your left hand on the throat of the racquet until you are ready to turn forward.
I like to do a partner drill like this where one is working on the attack I/O and the
other partner is working on defending with a more defensive shot that sets up another
I/O for you. Sometimes you can repeat this quite a few with the same ball.
After a few switch roles.