Sit Means Sit Dog Training has had much documented success of dealing with all kinds of aggression, in using the Sit Means Sit Dog Training system, in accordance with our Sit Means Sit dog collar.
In this video, you see Dave Skoletsky change a very dog aggressive dog around in a few minutes. These types of things are a regular occurrence with the Sit Means Sit dog training system. Remote training collars do not cause aggression, people do.
Also see this video with an EXTREMELY aggressive dog
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