I have a 2 1/2 year old male dashund who I got when he was about 1 year old. He has a lot of aggressive issues and we think he was abused before we got him. When I walk him he goes crazy at the sight of other dogs, runners, bikers, big trucks... I can control this behavior most of the time but some times he is so out of control he is swinging insanely on the end of the leash and barking like a mad dog. I don't want to stop walking him (I have a female dashund who walks with him and does not act like this, and I would not feel right walking one and not the other) but he is the little terror of the neighborhood. Would muzzling be of any help and if so what type of muzzle? Any other suggestions?