[Stairs in the Mountain]

The armour is oddly attached to other bits of itself, and the helmet and chestplate can be removed without the other parts clattering to the ground.

Assuming they both get inside the armour, the noises reach the foot of the stairs and are revealed to be two harpies. They search around for a while, snarl when they can't find anything, and leave again. As they ascend the stairs, one of them says:

"Better tell the master. He won't like this."