The key hung in the lock on a thin chain.

A thin chain dropped down, dangling from the bones of a finger.

Lindsay reached automatically for the thin chain around his neck.

She pulled at a thin chain around her neck.

He also saw the silver cross hanging by a thin chain through her neck.

She held it out at the end of the thin chain.

And after a little while she stood up with a small key on a thin chain.

Then he noticed the thin golden chain around her throat.

All they may carry is a staff and a length of thin chain which can be easily explained away.

A second golden bird, a swallow, hung from her hand by its thin chain.