Automatic dog ball launcher - Pitching machine
Any dog can learn to obey and almost any dog can do this without coercion if you handle the proper training. Not every training method is suitable for any dog. As with humans, there are alsodifferent dogs. Environmental influences and the consistency of the handler, it all plays a role in training. In general, you can assume that the behavior that you reward, will be repeated by the dog. The behavior that you don't reward, will droped by the dog.
Here are some more sophisticated reward systems
, ranging from electronic dog ball launcher, pitching machine, automatic ball dropper or ball thrower...
Dog Ball Launcher - automatic Ball Thrower - Pitching machine