This fits your. Make sure this fits by entering your model number. It can improve the relationship between you and your pet. It takes a little bit of time, patience and practice, but your dog will learn to obey you through various whistle commands. A dog training whistle can be an effective tool for teaching your dog to follow your commands, such as calling him to you, sitting or going in a new direction. It can cultivate your pet's ability. The whistle can produce an ultra sonic sound that is easier for dogs to hear.