Of all dog training devices prong collars are probably the most misunderstood. Dog trainers put them on every dog or just refuse to use them. In any case, before getting a pinch collar one should know that pinch collars are not suitable for puppies, too aggressive, fearful or shy dogs. Pinch collar is constructed of interlocked links with blunt prongs that pinch the canine’s skin when the tool is tightened. It should fit snugly just below the dog’s ears. Check out pinch collars on our site if you have to resort to using them in order to correct behavior of your English Bulldog. They are made of different materials and are available in various sizes.