Rule 34 Dev - 1:1 4_toes 5_fingers abs animal_genitalia animal_penis anus armpit_hair ass backsack ball_lick balls biceps big_balls big_dom_small_sub big_penis blakenfen body_hair brown_body brown_fur brown_hair ear_piercing equid equine equine_penis eyewear fingers forced forced_oral fur glasses hair half-erect hand_on_head hi_res hooves horse horsecock interspecies licking lutrine male male/male mammal muscular muscular_male muscular_thighs mustelid nipples nude oral pawpads pecs penis perineum piercing quads raised_tail sex sitting size_difference smile spread_legs spreading tarrin toes tongue tongue_out underhoof|3847932552