A blanket could be used to barter with. I could trade my blanket for your sex, and everybody’s happy but the tax collector.

A blanket could be used to alert your guest when he’s overstayed his welcome. But what’s even more effective would be a flying brick at his forehead. Subtlety can be a bit soft, and can...

A brick could be used as an AFD, or Atmospheric Floating Device, whose sole function is to make people ask WTF?

A brick could be used to block a mouse hole. But something better that would not only block the hole physically, but also psychologically, would be to stuff a dead rat in the hole.