Similar to tetherball, tether tennis uses two tennis paddles to wrap a ball around a pole. The Champion Sports Tether Tennis Set has everything you need to start a game! Featuring a metal pole with swivel arm and spiral coil, the easy clip-on hook attaches the tennis ball to the pole with a 64” rope. The set includes two tennis paddles and one extra tennis ball. Playground/Gymnasium Sets Type: Tether Tennis Game.