rule 34 animal genitalia animal penis anklet anthro balls bed bracelet caracal cum cum string cup detailed background digitigrade ear piercing ear tuft erection fangs feline feline penis fur greyscale hi res hindpaw holding cup holding object inside jewelry looking at viewer lounging male mammal monochrome necklace nude on bed open mouth pawpads paws penis piercing pillow precum ring sheath short tail signature solo titusw toe ring tongue tuft whiskers 2945251