One common trope in fiction over the decades has been someone putting a file in a cake—or other baked good—that then is passed onto someone in prison to help them escape. As the website TV Tropes explains: The stereotypical way to smuggle escape tools into a prison is by hiding them in a cake and giving them to the prisoner. Most often a nail file is hidden in the cake. Granted, most of the time I have seen this trope played out it was with a larger “rasp” file. But that minor quibble...
