"Great post. If you haven't already, you have to check out the book below. It's a classic."How to Sharpen Pencils: A Practical & Theoretical Treatise on the Artisanal Craft of Pencil Sharpening for Writers, Artists, Contractors, Flange Turners, Anglesmiths, & Civil Servants"http://www.mhpbooks.com/books/how-to-sharpen-pencils/"