Rule 34 Dev - 5_fingers animal_genitalia animal_penis anthro balls black_body black_fur brown_balls brown_body brown_fur brown_sheath canid canine canine_genitalia canine_penis canis claws dobermann domestic_dog erection fingers first_person_view freyadraws fur genitals hi_res knot leash looking_at_viewer male male_only mammal muscular muscular_anthro muscular_male nude nude_anthro nude_male penis pinscher red_penis sheath solo|12323572088