Details: never used Pets respond to loud, clear click sound. Training tool for positive reinforcement. Keep it on your wrist for easy access with “bungee” wrist band. Ergonomic design is easy to hold and press. Fits comfortably in your hand. Train your pet with positive reinforcement using the Frisco Pet Training Clicker with Wrist Band. When you want your pet to know you like their behavior, simply click the clicker and reward them a treat! The ergonomic design is comfortable and easy to use during training sessions. You can even slip it on your hand with the bungee wrist band for quick access