Rule 34 Dev - 2018 4_toes 5_fingers anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro balls black_balls black_body black_fur canid canine canine_penis canis claws enro_the_mutt erection fangs fingers fur genitals grey_body grey_fur knot lying male mammal on_back pawpads paws pendant penis pink_penis shadow_wolf sheath simple_background solo spread_legs spreading text toe_claws toes url vein veiny_penis whiskers wolf yellow_eyes|12037849248