Remeel Dog Whistle to Stop Barking Safest Dog Obedience and Dog Training Train your dog to stop barking and follow simple commands. Use the dog whistle to call your dog or train to stop barking. Great tool to have when you are training your dog. Our dog barking whistle is compact, and lightweight, making it incredibly efficient and convenient. 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 takes a little bit of time, patience and practice, but your dog will learn to obey you through various whistle commands.