A brush that switches the water off when it leaves contact of the surface it is cleaning!http://www.google.com/patents?id=ADwBAAAAEBAJ&printsec=abstract&zoom=4#v=onepage&q&f=true
3pm? Do you start at 2.30pm then?I can tie just about every knot known to man with mine and lassoo any object at forty paces with my eyes shut!