2-Ball ServeMaster: Serve Tool and Swing Trainer for Tennis Training by The Total Serve LEARN TO SERVE LIKE THE PROS: The 2-Ball ServeMaster is perfect for junior players who are not yet using a full sized racket and beginner or small adults. It takes you through what the serve motion feels like with the correct grip. Once you "get it" you can repeat your skills until you own your serve! INDISPENSABLE TENNIS TRAINING TOOL thats great for overall coordination for continuous and sequential movement on the serve. Feel what a REAL flat, slice, kick, and topspin serve should feel like. ServeMaster also helps with timing, consistency, and placement. PRACTICE ALL OF YOUR TENNIS SWINGS: ServeMaster can be used for practicing all types of swings including serves, ground strokes, and overheads. It's also perfect for movement drills, dynamic warm-up, stretching and strengthening, toss arm movement, tempo and consistency. MASTER THE CONTINENTAL GRIP: Check marks on the ServeMaster correspond to a tennis racket and show you the proper way to hold your racket for the most natural serve motion. TRAINING ON THE GO: Whether you're on the tennis court, in the backyard, or even at the beach, take ServeMaster with you and master your serve!