public function append($title, $url, array $options = array()) {
        $this->_crumbs[] = array(
            'title' => strip_tags($title),
            'url' => $url,
            'options' => $options
        );

        $this->OpenGraph->title($this->pageTitle(null, array('reverse' => true)));
        $this->OpenGraph->uri($url);

        return $this;
    }