"I do not believe it"

Mr P sometimes surprises me. He's normally quite shrewd when buying things, but he bought this a few weeks ago after seeing a video clip in the shop. It's still in the box. Give an old fashioned brush and a hoover any day. It says on the box that it is virtually indestructible, and is the only brush you need. "I do not believe it" as Victor Meldrew says on the telly.