When you stumble into the kitchen first thing in the morning desperate for a shot of the black stuff to kick start your brain the last thing you want is to the ear-splitting mechanical scream of a coffee grinder rattling through your skull. The Coffee Grinder from ROK is a blissfully quiet manual grinder, a much more ear-friendly way to start the day. It is incredibly easy to set up and use; simply attach the handle and place the cup underneath, add your beans and turn the handle clockwise to grind.