Rule 34 Dev - animal_genitalia balls balls_shot barn big_balls black_balls black_sheath close-up equine_balls equine_genitalia feral fully_sheathed genital_shot genitals male quadruped realistic_feral sheath solo darkmare equid equine horse mammal equine_sheath 1:1 digital_media_(artwork) digital_painting_(artwork)|6239868775