King Charles VI of France suffered from glass delusion which is a delusion in which people believe themselves to be made of glass and thus liable to shatter. He was reported to have wrapped himself in blankets to prevent his buttocks from breaking and had iron rods put into his clothing.

King Charles VI of France suffered from glass delusion which is a delusion in which people believe themselves to be made of glass and thus liable to shatter. He was reported to have wrapped himself in blankets to prevent his buttocks from breaking and had iron rods put into his clothing.