The Company of Animals Pet Corrector - Dog Behavior Control from PETCO.com The Pet Corrector emits a blast of compressed air, ideal for interrupting undesirable behaviors. Many animals use a 'hiss' sound to ward off predators and the Pet Corrector mimics this sound creating a natural deterrent. Ensure that you reward your dog immediately once the behavior has ceased. You control the blast so you know the timing of your corrections will always be right. A free training guide is included with helpful tips and key do's and don'ts. It is important that the Pet Corrector is used cautiously and responsibly, so as not to traumatize or frighten your dog. Typical uses include: Unwanted barkingJumping upStealing foodPlace avoidanceAggression.