and add hours to your project's timeline. So when a circular saw blade gets dull, it seems both thrifty and efficient to have a go at sharpening it. So far, so good. But then you see a YouTube ...

That's why sharpening a metal blade calls for material harder than ... Drag the knife across the whetstone in a circular motion, keeping the angle constant. Do this three to four times.

The arrotino, or knife grinder, has been travelling around Italy for centuries, sharpening blades in the streets, and it was this tradition that sparked an idea for Wallpaper* Re-Made. Last year, we ...