Rule 34 Dev - anal anal_penetration animal_genitalia animal_penis anthro athletic balls canine_genitalia canine_penis claws equine_genitalia equine_penis erection eye_contact feet flaccid fur genitals group hair hindpaw hooves interspecies kneeling long_hair looking_at_another looking_back lying male male/male male_penetrated male_penetrating male_penetrating_male nude on_back pawpads paws penetration penis penis_tip sex sheath simple_background spots tongue tongue_out whiskers white_background blotch appaloosa canid canine canis cheetah dalmatian domestic_dog equid equine felid feline horse mammal monochrome sketch|2021261515