We offer many different types of Chain & Pinch Collars to be used for training your dog including Herm Sprenger, Mueller, and Titan collars. Utilizing these collars forms corrections whenever your dog pulls or tugs on its leash. We also sell the recommended accessories when using this type of training collar- neck protectors and comfort tips. We always recommend working with a professional! Please make sure you are not using these products for tie-out, and they fit appropriately! Fit is key for the product to function as designed! *Herm sprenger products are price controlled by the manufacturer.