Rule 34 Dev - animal_genitalia animal_penis autofellatio balls big_balls big_penis brown_eyes collar equine_genitalia equine_penis feral genitals huge_penis male masturbation oral oral_masturbation pawpads paws paws_on_dick penile penile_masturbation penis red_collar sheath sitting solo solo_focus sleepdirector border_collie canid canine canis collie domestic_dog herding_dog mammal pastoral_dog sheepdog|8549056