A prong collar, also known as a pinch collar, is a type of dog training collar designed to help control a dog's behavior during walks. It consists of a series of metal links with prongs that face inward, applying pressure to the dog's neck when pulled. This collar is often used for larger or stronger dogs that may be difficult to manage with standard collars. While prong collars can be effective for training, they should be used with caution and under the guidance of a professional dog trainer. Improper use can lead to injury or discomfort for the dog. It's important to consider alternative training methods, such as positive reinforcement, to promote good behavior without causing harm.