|The pear of anguish|
It's not that the medievals did not use torture, but they were not very imaginative about it. The iron maiden was first described toward the end of the 18th cent.
The pear of anguish is another late fabrication. Supposedly, it was inserted into a bodily orifice and then cranked open. Engineering studies -- let's hear it for engineers! -- showed that the springs were too weak to open up the aforesaid orifices. Fact is, no one knows what the dang thing was for and the Usual Suspects simply imagined that it must have been a torture device because medieval. Speculation is that it was used as a shoe extender, like this more modern torture device:
Then there was the white noise machine which was intended to keep the victim in a state of heightened agitation:
The anguish could be heightened in two ways. The first was to force the victim to punctuate a transcript of the speech, which consists in the words of Canadian David Warren, of "a stream of spontaneous coordinate clauses with loose or missing connectives, and without graded pauses." The second was to place him between two noise machines, so that he would have to listen with both ears.
Or, in a more amicable gathering of the elite: