Macks is a very strong, good looking pedigree AKC Rottweiler, who would do best as the only male dog or with experience owners Macks Macks prefers women non-trusting of most males. He’s come a long way in our home, but unfortunately, he bullies our other dog and he was here first Max has lots of champions in his pedigree. We’re a good looking strong dog very treat or orientated motivated does behave best on a vibrating collar no need to shock just vibrate.