This is Boyboy's behavior when we accessed him yesterday, he was extremely fearful and aggressive. Background After discussion, we learned that Boyboy was so aggressive because of the ex trainer recommending choke chains to his family, who had just gotten their first dog and thought that it would benefit his growth to consult a trainer. Not soon after, Boyboy started to choke and even vomited, the trainer then said that it was perfectly normal for dogs to vomit while on the tool. Having doubts, Boyboy's owner stopped the course. But it was too late, he started getting very aggressive especially when the neck area is touched, then not long after he used the same aggression on every other things that he was afraid of, which led to paws, tail and ears. Boyboy had stayed with us for regular boarding previously and we managed to just work on his aggression towards paws. Now he is here for the full program and we will do our best to eliminate all other issues. I am not...