Rule 34 Dev - animal_genitalia animal_penis anus balls black_body bound butt canine_genitalia chain chained cropped_ears equine_genitalia equine_penis feral genitals male penis presenting presenting_anus presenting_hindquarters raised_tail saggy_balls solo sun tail tail_anus darkmare canid canine canis domestic_dog mammal pit_bull 1:1 sketch|21764791370