Fractures and severed limbs cause cuffs to fall off. Deranged spessmen can chew their own wrists to break free.
Fixes UI glitch when losing cuffs from fractures, resisting, or cult magic
Wearing masks or straight jackets blocks chewing on your wrists
Merge pull request #4504 from MrLeebo/severed-limbs-drop-cuffs

Fractures and severed limbs cause cuffs to fall off