Can be worn to warm muscles before strenuous activity or all day for continued comfort

These balls are designed for Stage 3 Red and are ITF® & USTA® approved

adjustable non-slip PVC nosepiece

It doesn't matter how often you play or how careful you are

Lobster Elite Liberty Ball Machine Quantity_30-Pack Can be worn to warmThe Lobster Elite Liberty Ball Machine allows you to take your training to any court with this portable system that features a 2 hour battery life. Mix it up with 20 80 mph ball speeds, heavy top and back spin, or random horizontal oscillation. Designed for a 150 ball capacity to meet the needs of beginners to intermediate players. Ideal for advanced control of both ball speeds and ball spins. Features a manual hand crank for elevation. Groundstrokes