July 27, 2007 The Doorknob Signal concept The Doorknob Signal Designer Arnaud Lapierre is showing off the concept for the Doorknob Condition, the sleek doorknob uses an innovated pulley system that makes the knob on the exterior recess inwards when pulled from the inside. Without a knob to use, there’s no way to get it. By Fabien Montique on July 27, 2007 1:39 AM | Permalink | Comments (0)   Leave a comment Name Email Address URL Remember personal info? Comments terms & conditions | privacy policy | contact | Powered By Moveable Type | Technorati Profile  | Powered By Moveable Type |

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