Rule 34 Dev - 1boy 2009 animal_penis anthro anus artist_name ass ball_separator ball_stretcher balls ballsack body_fur brown_fur cock_ring equine equine_penis erection hooves horse horse_tail horsecock horseshoes looking_at_viewer male male_only mane mooning nude_male penis presenting raised_tail rov scrotum smooth_fur solo spread_legs spreading tail testicle_cuff testicles veiny_penis|645142368