Well, PC World has cracked open the trap-door on their HDTV testing lab to show everyone how they do it.

ENGADGET: So you want to test HDTVs, eh? HD

De la Hoya has been accused by some of looking for the trap-door that night - and Mayweather felt the urge to remind us.

BBC: Focus on De la Hoya v Mayweather

"It's a trap door, " Eric Abraham, Leon's 36-year-old son, told me.

WSJ: Jeweler Under Siege

His answer to middle-class families who feel like they're standing on a trap door, just one pink slip or one medical diagnosis or one missed mortgage payment away from falling through and losing everything?

CNN: Clinton's November 19, 2007, speech on economic challenges

President-elect Obama shows a remarkable ease with which he pushes useful colleagues through the trap door.

FORBES: Obama's Cold Heart Might Be A Good Thing

And there's another hint as to just how well-loved the priceless painting is on the floor beneath it: The outline of a trap door.

CNN: Rijksmuseum reborn: Rembrandt's 'Night Watch' explained