Okay, so let's get on the same page here: Operation
. Now that we're all focused on that goofy looking guy flat on a table before we all lost our innocence in this Mad, Mad, Mad, Mad World, let us introduce you to Moritz Waldemeyer's crafty little box. Simply dubbed keyhole surgery, the device is more or less a 3D version of the aforementioned board game, designed to see just how steady you can hold the key and complete the puzzle without brushing up against the wall. We get this idea this is one of those "easier said than done" thingamajigs, wouldn't you agree?