# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2009-11-05 09:04:40 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/5445486807) 'Secret Knock' Door Lock defends home from rhythmically-impaired perps (video) http://j.mp/lVYdR