Redirect and reward silence. Be prepared to his barking in the class
Anton attempted to intimidate all puppies in his puppy class and I had to deal with it.
I'm still dealing with it but he gets better. Now he knows if he wants to approach a dog or a person he needs to give me an eye contact and wait for a release. If he forgets I remind him

I'm still dealing with it but he gets better. Now he knows if he wants to approach a dog or a person he needs to give me an eye contact and wait for a release. If he forgets I remind him
