The tool includes a rigid base with an upright rigid post attached perpendicularly to the base a rigid form fitted outer sleeve, measured to fit snug over the upright post. This sleeve allows for height adjustability, also includes a uniquely formed and rigid wand, with a measured, weighted counterbalance end with a small hole to accommodate a bungee cord attachment and on the other end a set and re-settable fix tennis ball mounting the tennis ball itself is mounted on a spindle on a small rod which allows free rotation of the ball for the purpose of ball striking muscle memory development, the ball-mounting wand is bent, geniculate and curved into a question mark like configuration using holes and peg attach the wand to the crown of the form fitted outer sleeve using the counterbalance and the bungee cord the ball can be repeatedly struck, displaced and self-reset.