Rule 34 Dev - absurd_res animal_genitalia animal_penis anthro balls big_balls big_penis canid canine canine_penis canis cat0989986996 claws duo erection fur genitals hi_res huge_cock knot knot_in_sheath male male/male mammal muscular muscular_anthro muscular_male nude open_mouth penis sheath size_difference thick_penis wolf wolfyportal|7754699912