Rule 34 Dev - 2019 abs animal_genitalia animal_penis balls equid equid_taur equine equine_penis equine_taur greyscale half-erect hooves horse horse_taur horsecock laser_(artist) male male_only mammal mammal_taur medial_ring melee_weapon monochrome muscular muscular_male nude penis polearm sheath shield sketch solo spear taur weapon|3928018792