3:13 Jack: Serve. The ball is tossed to close to the body. Not watching the ball hit the paddle. As a result, instead of a fluid motion, the motion is jerked and the ball is hit rather than stroked. Fix: Toss ball to the natural swing of the arm. Watch the ball hit the paddle. 4:50 Nice NVZ Rally. Jack: Lifts the ball using his legs on the deep return of serve. 7:42 Jack: Serve. The ball is tossed close to the body but this time there is side spin and the paddle is under the ball when it is struck.