A custom tungsten grinder like this one might be just the thing to flatten that learning curve. It comes to us by way of [The Metalist], who turned an electric die grinder into a pencil sharpener ...

It's a knife sharpener that comes with a gauge to measure ... a brand-new set-you can do it right at home with the Angle Pro's tungsten carbide rods! Get your dull kitchen knives ready for all ...