One of the guards worked at a rusty lock on the iron door.

The blade shattered, but so did the rusty old lock.

After some difficulty with the rusty lock, he finally got the key to turn.

It was locked, and in the rusty lock they could see the key from within.

The gate was shut, but she pushed against the rusty lock so that it came open.

A trophy for a cabinet with a very rusty lock would get things going nicely.

G-8 heard the huge key turn in the rusty lock.

With that mysterious statement, he bent over the rusty lock and inserted the key.

I will not sleep, till I have turned this key in the rusty lock.

She glanced at the rusty lock holding the rear doors, shook her head, and went on around to the steps.