Rule 34 Dev - 1dog animal_genitalia animal_penis anthro balls big_balls big_penis canid canine canine_genitalia canine_penis canis claws domestic_dog erection genitals german_shepherd harlem herding_dog hi_res knot looking_at_viewer male mammal monochrome nude one_eye_closed pastoral_dog penis simple_background solo toe_claws wink|9999340856