Double-tone whistle, buffalo horn - 8.3 cm. Whistles used for hunting and training, because through the different tones, different types of orders can be trained. Advantages of using a dog whistle: You maintain contact with the dog despite the distance. You can even capture his attention without him seeing you. A dog whistle is lightweight and easy to carry. Thanks to the cord, you can wear it around your neck, so you'll always have it available to call your pet. The activity will strengthen the bond between you and the dog. Interaction is very important within the animal-human relationship. Using the whistle, your canine will not suffer stress while learning new behaviors. You don't have to resort to abuse while you're trying to educate him.