Sunday, January 30, 2011. Stubborn Dog Training by Whistle. Is forever a greater challenge than training a regular dog. But in most cases, once the stubborn dog. Is well trained, they are some of the most obedient dogs. A professional trainer once told me about one of the most stubborn dogs. He had ever trained! In view of the fact that we are talking about training a stubborn dog. Neck, it pinches somewhat and the more resistance the dog.