When you’re a tennis player, it’s important to always practice your form on the court. Now there is a great way to practice on or off the court, with the ServeMaster. ServeMaster is the all purpose, all-in-one tennis tool that shows immediate results on your serve and ground strokes! Being able to practice one’s tennis serve is important and it’s just the thing Tennis Concepts has in mind. Inventor, Lisa Dodson has created ServeMaster so one can practice their serve both on and off the court. ServeMaster lets one feel a smooth and powerful swing and accelerates learning while naturally correcting bad habits. Featuring models for beginners, intermediates, and veterans, ServeMaster comes in one, two, and three-ball sizes and weights.