Our 6 year old labradoodle had gotten progressively noisier when seeing other dogs, driving past, or even on TV. With training her TV manners had improved (apart from the occasional lunge and bark where she saw the dog first!) However, driving past dogs, or the dog park, was just embarrassing and annoying. She has had the collar on for a week now, and is a totally different dog. To the point she lies down in the back of the car, and doesn't even bother looking for dogs!! We hope this continues, ...