Rule 34 Dev - 2018 5_fingers animal_genitalia animal_penis anthro balls beauwolfhusky biceps biped digital_media_(artwork) equid equine equine_penis fingers flared_penis genitals half-erect hi_res hooves horse laser_(artist) male male_only mammal mane medial_ring muscular muscular_male nipples nude pecs penis solo|4064540144