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How to lock an inside door with round doorknobs turning both clockwise and counterclockwise (without a key)? - Home Improvement Stack Exchange
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Interesting Antique Lock - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.
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![Interesting Antique Lock - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene. Interesting Antique Lock - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.](http://idighardware.com/wp-content/uploads/2016/04/Antique-Lock-Exterior.jpg)
Interesting Antique Lock - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.
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