Justblairs Audio and Electronic's Pages

Every so often you see something both ingenious and simple at the same time.  This little device designed by Gerrit, aka "DammitCoetzee" is one of those things.

Published on his blog is a how to on this nifty little tool, though you can probably see from the construction just how simple it is. 

I think I will be having a quick root around the cupboards to see if I have some round wood.  Well done and thank you to Gerrit.