For some of that period, he was kept in an iron cage.
I am a man within an iron cage, and there is no reason for me not to die.
The iron cages were fairly new, and didn't take up all the space.
The iron cage was barely big enough to hold one man, yet two had been forced inside it.
She looked over at Pick, slumped on the floor of his iron cage.
It was as if she had an iron cage around her that stopped every blow.
The next morning the two captives in the big iron cage I were very happy.
An iron cage descended to meet her now, and she stepped inside.
Five round, thin iron cages, each with a human inside.
She was crammed into an iron cage that had once been used to house a dog.