Rule 34 Dev - anal_orgasm animal_genitalia animal_penis anthro anthro_on_taur anthro_penetrating anthro_penetrating_taur balls big_penis black_body black_fur black_hair blinders bodily_fluids bound bridle brown_body brown_fur bucephalus clenched_teeth cum cumshot detailed_background duo ejaculation equid equid_taur equine equine_genitalia equine_penis equine_taur eyewear flared_penis fur genital_fluids genitals hair hands_behind_back hands_tied hi_res hooves horse horse_taur larger_penetrated male male/male mammal mammal_taur medial_ring muscular muscular_anthro orgasm penetration penis rufciu size_difference small_dom_big_sub small_top_big_bottom stable taur taur_penetrated teeth|12355699992