rule 34 2023 accessory animal genitalia animal penis anthro biped black body black fur brown body brown fur digital media artwork equid equine equine genitalia equine penis eyewear facial markings facial piercing fur furgonomics genitals glasses head markings hi res hybrid lawyer lying male mammal markings multicolored body multicolored fur muzzle marking nose piercing nose ring on side penis piercing rectangular glasses ring piercing simple background snout snout markings solo striped body striped fur stripes tail tail accessory tail motion tailwag white body white fur zebroid zed dozendav zonkey 8881342