•In less than a month you will get what you need to do. The original tennis training tool had a 3 meter line which set the tennis ball airbrush. This flexible cord can stretch to 10 meters. When the ball is knocked out, it will always come back so it can be hit again later. It is possible to practice various strokes with the tennis trainer. The speed of hitting and footwork can also be practiced with the tennis trainer.• The basis of the original tennis training tool is a round plate with an anti-slip layer on the bottom. When placed on the floor, it does not change quickly during use. The base can also be used to keep the tennis ball and the wire cigarette loop around when not in use. The base weighs 1380g. All this makes the tennis trainer a compact device, that is, easy to store. • The special design of water inlet and outlet design completely solves the difficulty of filling and filling water in the past. • Special equipment for connecting the anti-wrap hook is added to the outside of the ball seat. When used with the anti-wrap hook, the rubber band is no longer entangled. • Add two large area non-slip EVA at the bottom, thus providing excellent effect in dabbling. • Ergonomic designed handle makes you feel more comfortable and convenient to carry. • Imitation tennis design fits tennis