Standard dog whistle: this high frequency dressage whistlet is normalized in frequency, which means that the one that uses the whistle (eg partner, child), it always emits the same sound, regardless of their emotional state . Even if you lose your whistle, you can simply order it and it will have the same tone that before, so your dog will not have to pay a new sound. Excellent for sport, the Hunting, breeding, guide dog and trading of life dogs. Whether you wanted to go hunting with your dog or just wanted to call it during walks, start in his whistle as soon as possible. If you have conditioned your pet at a frequency, stay with this frequency. The advantage of these high quality dog training whistles is that you can order them at the same frequency even years later. Whistle Strap: You will receive a free whistle strap with your whistle. So, you can hang your whistle around your neck and have it at your fingertips at any time. This also reduces the risk of loss. Dog dressing