Rule 34 Dev - 2_penises animal_genitalia animal_penis balls big_balls big_penis diphallism equine_genitalia equine_penis genitals hair hand_on_penis horizontal_diphallism long_hair lounging multi_genitalia multi_penis penis relaxing sitting mylife42 danny_ashbeck_jr. equid equine horse mammal absurd_res hi_res|23331400505