Wed, Nov 4 2009 | 0 Comments

The Secret Knock Detecting Door Lock

By: J. Pines

secret-knock-detecting-door-lock

From GeekyGadgets:

Finally! The Secret Knock Detecting Door Lock can be programmed to open the door automatically if the “secret knock” is made. So I can forget about struggling to find the right key when a killer is chasing me. All I gotta do is knock the first four bars of “Promiscuous Girl” and I’m safe and sound. I figured “Shave and a haircut” would be too easy to figure out.

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