Do you need an efficient dog training tool? Chain/prong collar are the best for this! They can be used for any area of professional dog training. You should know that only the best and the strongest materials were used to create these quality collars. They possess very bright and durable surface. Remember, you should never leave your Rottweiler unattended, when wearing such a Collar, as it may result in injuries. Here you can find a collars made of stainless steel, chrome plated steel, curogan, brass and black stailess steel.