Today I'll show how to build a wrench by using only another screw.

You want to tighten or loosen a screw and you have no suitable wrench close at hand.

My Video How to build a wrench ( using another screw )

shows you how you can create a quick remedy.

<p>so simple, yet so clever... well done :)</p>

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Bio: The best Lifehacks and Tutorials on YouTube
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