Photo 1 of Mayerzon Martingale No Pull Collar for Large Medium Dogs Pitbull German Shepherd Rottweilers, Patented Reflective Anti Pull Dog Walking Collar with Buckle for Training Hiking, Adjustable(M, Black)

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Photo 1 of Mayerzon Martingale No Pull Collar for Large Medium Dogs Pitbull German Shepherd Rottweilers, Patented Reflective Anti Pull Dog Walking Collar with Buckle for Training Hiking, Adjustable(M, Black)Photo 2 of Mayerzon Martingale No Pull Collar for Large Medium Dogs Pitbull German Shepherd Rottweilers, Patented Reflective Anti Pull Dog Walking Collar with Buckle for Training Hiking, Adjustable(M, Black)