public function crumbMenu()
    {
        $nb = $this->spawn('crumbMenu', new Collection());

        $item = $this->active();
        $items = [$item];
        while ($item->hasParent()) {
            $item = $item->parent();
            array_unshift($items, $item);
        }

        foreach ($items as $item) {
            $nb->add($item->title, $item->url());
        }

        return $nb;
    }