A Conceptual Lock
by Pinaki_1982 - uploaded on October 8, 2018, 12:58 pm
An unusual, conceptual, inventive mechanical device that can't be unlocked unless four distinct keys are used all at once.
Created with Inkscape 0.92.3 (2405546, 2018-03-11).
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- Tags
- conceptual mechanical keys key heavy-duty lock
- Safe for Work?
- Yes
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