I have never heard of the term dog seat belt. Although, I think it could be a great idea. I’m not sure how this seat belt works, or how they could get it to work. However, it beats having your dog in the bed of your truck or in the passenger seat of your car. While this number gets overlooked, I’m sure there are a lot of dogs that are killed every year in car crashes. If they offered a seat belt for my dog, I would definitely be interested in purchasing one of them. As it goes now, I might even look in to the idea, because I would hate for something to happen to my dog that I love so much.