mouse bungie cable holder

I drilled a hole into my desk because i wanted to hide my cables and get a nice clean desktop. But the mousecable was always rubbing against the wood and moving my mouse this way was really a pain... So i remembered a product named mouse bungie and started to design my own version.

How to fix it onto your desk:
1.) U can drill a screw from underneath the table into the mousebungie (or from above)
or
2.) Stick the extra block into the mousebungie (it has a tight fit depending on your printe