On'h dog whistle to stop barking with whistle lanyard clicker silent repeller dog whistles training silver whistle copper Leather Holster for Pets Cat Pigeon Eagle Notice:the dog whistle can get dog attention but not stop barking,you need to train dog to understand how to behave in response to your commends.Train your dog to follow various commands such as sit,down,come,stay,fetch,Teach them each command by using a different whistle patterns (for example: two short whistles to sit,two long whistle to come) Ultrasonic frequency dog whistle durable compact high quality copper with U-shapped ring and screw thread non-slip design that prevent swallowed. High pitch dog whistle produce an ultra-sonic sound that is easier for dogs to hear that is great for most dog and has a large range in distance to contact your dog. Have a great free whistle lanyard and high-grade PU leather,when you are training your dog. Dont have to worry about misplacing or loosing your dog whistle. The landyard detaches if you prefer to use only the whistle. Multi-purpose dog whistle can also be used for other pets supplies (birds cat pigeons eagle) to establish a good communication and discipline.