Rule 34 Dev - 2019 anthro anus ass backsack ball ball_gag balls bernese_mountain_dog bodily_fluids canid canine canis collar domestic_dog furry gag gagged genital_fluids genitals hi_res hindpaw ill_dingo leash male male_only mammal molosser mountain_dog paws petplay presenting presenting_hindquarters roleplay ruska solo solo_male submissive submissive_male swiss_mountain_dog tennis_ball tennis_ball_gag|4297898904