I have promised up, down, and sideways to ensure the T's never escape, and that turned the tide for me. I just have to play dumb a bit when one of the little flightless fruitflies hops through the little steel screen one ne of the slings enclosures and bounces around the room. ![Wink ;) ;)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)