He reached up with the other hand, touching the steel lock with one finger.

He touched his foot to the steel lock, and tapped speed.

He reached into his pocket, grabbed the steel lock, and tapped it.

Those doors had been locked from the outside - big steel locks, Army issue.

You see that steel lock on the door?

This was the tricky part, he thought, as he inserted the odd-looking key into the steel lock.

I put out my arms unasked, feeling cuffs of cold steel lock about my wrists.

However frantically they barred the door, neither flight nor steel locks could save them.

The steel lock melted instantly, dripping to the floor like a stream of mercury.

The sound of a big steel lock.