Abstract: An anti-cribbing device for breaking a horse of cribbing behavior. The device has a member upon which a horse can crib and a circuit including a sensor for detecting when the member is cribbed upon by a horse and a generator which receives the signal from the sensor and in response to the signal applies a shock therapy to the horse. The shock therapy is in the form of an adverse stimuli such as an electrical shock, vibration, noise, light, smell or the like.