A falta de pan buenas son tortas, is what the creator of the following invention would say if he could speak Spanish. This individual has created a homemade electric toothbrush from a normal brush, the one they sell in any Chinese shop, and an electric trimmer, here is the sample video:
The materials are few and easy to find, such as a planer, an electric cutter (it goes without saying that buying an electric cutter just to do this is complete stupidity) and a few clamps to join the two tools together.
The process is just as simple, open a groove in the planer to put the cutter blade in:
And then put some clamps on it to make sure it doesn't give us a scare:
Invention seen in Lifehacker.