Iron maiden
An iron maiden was a medieval Earth torture device that consisted of an iron frame in the form of a maiden – hence the name – that was enclosed around the victim who would locked inside and tortured. 

After being locked-up in chains in an illusory castle on Pyris VII in 2267, Captain Kirk analyzed the various manifestations – dungeons, curses, skeletons, and iron maidens – observing that they were all Earth manifestations, leading Doctor McCoy to theorize that they were experiencing an Earth parallel development. ()

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Punishments