Oncourt Offcourt Serve Doctor - Improve Tennis Serve/Tennis Training Aid Shirts gives you the space and

gives you the space and comfort you need to stretch out your stride

and plants - even when wet

idTECH will display the actual yardage and the additional or subtracted yardage amount to correctly club the shot

quality assurance

Guaranteed not to twist like round frames

Oncourt Offcourt Serve Doctor - Improve Tennis Serve/Tennis Training Aid Shirts gives you the space andBrand: Oncourt Offcourt Features: IMPROVE YOUR SWING: Use the Serve Doctor to Give Players a Feel for The Height and Location of The Contact Point on The Serve. EASY TO USE: The Serve Doctor Consists of An Extension Pole with A Rope and Velcro On the End. To Attach a Ball to The Pole, Take A Tennis Ball with Moderate to Full Fuzz and Twist It onto The Velcro. WORKS WITH ANY BALL: Each Well Constructed Unit Consists of A 3 Part Aluminum Extension Pole