Rule 34 Dev - animal_genitalia animal_penis anthro balls big_penis canine_genitalia canine_penis darkened_genitalia erection genitals huge_penis knot male muscular nude paws penis simple_background smile solo vein kknssd kotu_(carpetwurm) canid canine canis domestic_dog lapphund mammal spitz swedish_lapphund 2022 hi_res|16715915895