contraption

He’s been drilling holes in the concrete walls with the large red contraption, which comes with a small attached vacuum that sucks up concrete dust as it penetrates the wall.

In “The Dark Knight,” Batman makes a dramatic escape deploying the same kind of balloon-harness contraption.

Race cars and blockbuster movies have a core thing in common: They’re expensive contraptions made by teams who are painfully aware that they can fine-tune everything and still crash.

With interior chambers lined with perforated metal walls, the contraption somewhat resembles a fast-food restaurant’s deep fryer.

Asked whether the contraption could, for instance, disrupt drone frequencies and force them to return to their bases, he replied mysteriously: "Maybe, among other things."