Rule 34 Dev - anthro anus balls black_anus black_balls black_hooves brown_eyes cock-tail equid equine equine_penis fur genitals gloves_(marking) grey_body grey_fur hi_res hooves horse horsecock ill_dingo kneeling leg_markings male male_only mammal mane markings medial_ring multicolored_penis nervous penis socks_(marking) solo tail vein veiny_penis|9132199920