How to Sharpen Pencils?

A practical and theoretical treatise on the artisanal craft of pencil sharpening. The number one #2 pencil sharpener in the world, David Rees takes viewers through the delicate process of sharpening a pencil by hand.

Ali Kaya


Ali Kaya

This is Ali. Bespectacled and mustachioed father, math blogger, and soccer player. I also do consult for global math and science startups.

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