The maneuver used to socially engineer the person sandbagging you. Having the mind set you're supposed to be doing what you're not allowed to do, and convincing others the same. Getting what you want using the art of dumb deception
The Alcatraz prisoner was apprehended by a guard while trying to escape. He handed the guard a blank piece of paper that said "I'm supposed to be leaving jail" and walked out a free man. The guard hadn't recognized the classic Franciscian slip.