How Kuru Toga Mechanical Pencil Lead Rotation Works - Take a Closer Look With a Microscope

Kuru Toga mechanical pencils have a very impressive mechanism to automatically rotate the lead while the pencil is in use to keep the lead sharp. I've read a few reviews by Kuru Toga pencil owners who weren't sure if this rotation actually takes place during its use. Hopefully this video will help the next person who wants to get a better idea.