rule 34 animal genitalia anthro balls belly black balls black lips black markings black nails blue background blurred background canid canine canis chain collar collar colored nails domestic genitals half erect jenklin character kangal knot lips livestock guardian looking at viewer lunalei male mammal markings molosser mountain muscular nails pastoral penis pink belly pink paws pink sheath proud raised arm sheath simple background smile smirk solo specks tail curl white body 9108313