Rule 34 Dev - 2015 2boys anatomically_correct animal_genitalia animal_penis anus ass ball_stretcher balls ballsack big_balls clothed clothing cum cum_string dangling_testicles draft_horse duo earth_pony equine equine_penis erection feral feral_on_feral fetlocks fur gay gypsy_vanner horse horse_tail horsecock long_hair_male looking_back lostdragon01 male male_only mammal mane medial_ring metal my_little_pony nude_male open_mouth penis pony sagging_balls scrotum sex sex_toy smooth_penis spread_legs spreading testicle_cuff testicles toy yaoi|2051920224