Simple Worm & Gear Build Worth Watching

I see a lot of interesting videos on youtube and this man is worth watching. NO he doesn't talk in his videos but who wants to hear dearth Vader breathing or someone rambling on distracting you from the video.
Using different materials and applying to light loads this technique has many possibilities, If nothing else its interesting to say the least. I am not good at posting links so if this doesn't work its myfordboy latest video