A little Gygaxian detail I never put together before: the Guest Chamber (room 60) in the Shrink of Evil Chaos in the...

A little Gygaxian detail I never put together before: the Guest Chamber (room 60) in the Shrink of Evil Chaos in the Caves of Chaos has a "polished mirror" hidden under a "velvet cloth". Gygax presumably placed this here because nearby is the captive medusa (Cell, room 64).