Rule 34 Dev - abs all_fours anthro bodily_fluids bondage bound breath_cloud canid canine canis chained chains chastity_cage chastity_device clothing collar cuff_(restraint) duo electrostimulation foster-tony genital_fluids genitals harness humanoid_genitalia humanoid_penis knee_pads leaking_precum lock male mammal muffled muscular muscular_male offscreen_character penis precum restrained restraints rubber rubber_clothing rubber_suit shaking slave solo_focus solo_in_panel submissive submissive_male training treadmill wolf|9408287280