Exercise makes perfect. The only way to master shots and blows to continue the practice of the race the same class again and again until you turn on your satisfaction. The formula to do is drill a tennis ball machine.
This tennis ball machine backward glance one might say that nobody wants someone with enthusiasm and you get 100 balls to you while you practice. No one will be able to throw it to you with the same frequency, similar to time and again just so they can improve a shot. You, All requires a good tennis ball machine to solve your problem.
