a medieval instrument of torture fashioned as a box in the shape of a woman, large enough to hold a human being, and studded with sharp spikes on the inside.
iron maiden of Nuremberg
a medieval instrument of torture, consisting of a hinged case (often shaped in the form of a woman) lined with iron spikes, which was forcibly closed on the victim
Collins English Dictionary - Complete & Unabridged 10th Edition
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Shoving a winged beastie into an iron maiden and slamming it shut won't get old anytime soon.