In fact, many family considered dogs and cats as extension of their family. If you are not using a collar, or if you are using an ordinary collar, then you should try dog training collars. Why should you buy a training collar? Any type and size of dog can benefit from the use of training collars when you teach your dog some manners. However, there are some right and wrong ways to train your dog, and unfortunately all too many dog owners are prone to making training mistakes that break the lines of communication between you and your pet