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Secret Knock Detecting Lock

Unlock your door with a secret knock. More information, source and schematics at http://grathio.com  
 
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jack1owns (3 days ago) Show Hide
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This is not Fake! This is real! Not Quite Easy 2 Make... Even When You Know How... But... ITS REAL!
exeSSati (1 week ago) Show Hide
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cool
DrWhooooooooo (2 weeks ago) Show Hide
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Brilliant!
SevenCelts (2 weeks ago) Show Hide
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Fake!
orrange911 (2 weeks ago) Show Hide
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u're fake
SevenCelts (2 weeks ago) Show Hide
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ooo funny!
freezecanberry (3 weeks ago) Show Hide
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Its awesome, but if here anyone ur knocking, had the person the key
Chlobo28 (3 weeks ago) Show Hide
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This is amazing.
xoxoSarahLynnxoxo (4 weeks ago) Show Hide
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That is really cool!
wilhelmsen07 (1 month ago) Show Hide
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I think if he had removed hees usual keyhole a theef would newer think of that. In that way it is secure. Of course if eweryone had those a theef would think of it. But so far i would have one mayby built into the door :P

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