The invention relates to a tether tennis game apparatus which includes a hollow pole that has a helix formation extending externally therefrom along an operative top segment of the pole. The helix formation defines a helical guide path within which a loop formation, that is formed at one end ...
Swing ball - Replacement Ball with Tether Extend the life a swing ball set with this replacement adjustable tether and quality tennis ball. It's easily fitted and a certified original replacement part. - SKU: ZX99NSGC64 Mookie Swingball - Replacement Ball And Tether ...
Tethered ball for sports practice In the extended position, the tennis ball is suspended for tennis practice. When the arm is pivoted to a stored position the arm, ball and the tether lie substantially against the vertical wall. The device may also be locked in ... P Burchett 被引量: 12...
A game object, such as a tennis ball, baseball, shuttlecock, football, or the like, is tethered to the other end of the line. The bearing mounting allows the line to rotate freely about the pole such that players opposite to, or alongside, one another can strike the tethered game object...