Rule 34 Dev - animal_genitalia animal_penis anthro arms_tied bit_gag blinders bodily_fluids bondage bound brown_body chained_to_floor cum equid equine equine_genitalia equine_penis eyewear gag genital_fluids genitals harness hi_res horse male male_focus male_only mammal marvin_(marvin) nerton penis petplay ponyplay reins roleplay solo solo_male|11112724184