Static shock collars are devices used in dog training that deliver a mild electric shock to the pet when it engages in unwanted behavior. These collars are designed to help correct issues like excessive barking or running away. The shock is intended to be a deterrent, encouraging the dog to associate the behavior with an unpleasant sensation. The collars typically have adjustable settings, allowing the owner to control the intensity of the shock. While some trainers advocate for their use, others raise concerns about the potential for causing fear or anxiety in pets. It's important for owners to consider alternative training methods, such as positive reinforcement, before using static shock collars.