Mediaeval devices is a collective term for any torture devices that are based on those that were used in mediaeval times.
A number of these are still used today in BDSM play. They tend to be made of either metal or wood or a combination of the two, and tend to be very harsh.
A lot of these devices tend to be concentrated upon the head or genital area, but a common one that involves the entire body is the rack, which stretches the body.
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