For my dogs I have rubberballs attached to a string which makes it easier to throw them far away. But use the one he loves best for training and put everything else away.He has tennis balls he likes and a “boomerang” toy from AKC. I’ve never understood how to “reward” with a toy? Is it just throwing it for fun or maybe a quick game of tug of war? View attachment 2961771
Never play tug-o-war with a dog that is ready and willing to bite you. He will always be stronger than you and win, which is something we don't want.
You are the one calling the shots, all the time, every time.