protected function slag()
    {
        $ident = str_replace('-', '_', implode(self::getDelimiter(), $this->args));
        $ident = str_replace('_', self::getDelimiter(), $ident);
        $ident = trim($ident);
        $ident = str_replace(' ', '', $ident);

        return strip_tags(strtolower($ident));
    }