Rule 34 Dev - 2014 animal_genitalia anthro anus backsack balls black_hair bondage bondage bound brown_eyes brown_fur canine canine canine_penis claws dogsoul duo equine erection feral fur gay german_shepherd hair hooves horse horsecock male mammal muzzle_(object) muzzled north_shepherd pawpads paws penis precum rape_face ribbons shaded size_difference straps tongue tongue_out white_hair|1873130640