wheel

Hey guys. First post here. I just wanted to know if there is any table tennis robot that is 3 wheeled (i.e can produce balls of different spins in one sequence/drill. for e.g in one drill, the robot is able to throw an underspin ball, then a topspin ball and then a no spin ball and so on, all in...

I might be picks as one in the next month or so

Wondering what people think about using a wheel to develop correct shot technique? I am trying to improve my ability to brush the ball to get good topspin and to stop bringing the arm across the body and the elbow up when following through with the forehand. Would a lot of practice with a wheel...