Question: What literary technique that introduces a radical change in the direction or expected outcome of the plot is the play "Mousetrap" known for using?
Sentence (from "List of James Bond gadgets"): For instance, it became an expected scene in each film where Q would present and demonstrate Bond's assigned tools for the mission, and it was a near guarantee that each and every piece would be invaluable to Bond in the field.
Relevant evidence: No