Acoustic clicker with key ring

educational assistance; Signal for trained positive behavior. Click signal for trained, positive behavior. The Training Clicker makes it easy for you to train meaningfully with rewards. Training Tips: If you want to reward your dog for good behavior, press the clicker and reward him with a mini treat. With constant repetition, the dog will associate the reward with the clicker sound. colors assorted. The colors will be delivered at random. If you have a preferred color, please specify the color you want when placing your order.