| Improve your serve and take your game to the next level with this DVD. USPTA professional Otis Sadler shows you how to hit four different serves: flat, spin, kick and slice. You'll also learn how to change up the location of the serves, the importance of the ball toss and discover other factors that play a role in choosing the right serve. Learn the advantages of each, how to hit them and discover some fun serving games that you can practice on the court. Bonus features: Tip on the second serve ball toss and Otis Sweet Spots.