Herm Sprenger S/S Ultra-Plus Prong Collar - Half Check with side Click Lock

Excellent product. I bought this as a last resort for my cross breed adolescent dog who is becoming more powerful and strong and other methods of control such as harnesses and head collars such as halti are not working. He actually hates wearing the halti as it rubs his face and muzzle. Bought this last week and there has been a drastich change in his behaviour. I am now considering purchasing a second one for my other large cross breed dog