Rule 34 Dev - animal_genitalia animal_penis anthro balls brown_balls canid canine claws collaboration collar duo eihman equid equine equine_penis erection fur girly hair hi_res horse horsecock leash leash_pull male mammal medial_ring nude pawpads paws penis pink_hair pink_nose pink_pawpads rkt shackles tail_cuff toes tongue tongue_out yaoi|3490302232