Total Serve is designed to help you to experience what proper serve technique FEELS like, smooth with no breaks in motion, and groove a swing that incorporates your hips, legs and shoulders.
Click the link above to see the tool in use.
The Total Serve is offered in the three sizes above, 3 ball for adults and bigger teens, 2 ball for juniors or petite adults and 1 ball for 10 and under.
Prices range from $39-59 USD.
Find a retailer or buy at TheTotalServe.