Sometimes it just feels good to take a step back in time.

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 ...

I've been thinking about buying one of these but I don't know if they are just a gimmick. Also, if they genuinely work well how good do your bits need to be in the first place to be worth sharpening?