steel trap

The steel trap around him seemed comfortable and safe compared to what he might find outside.

I was having trouble keeping the steel trap in my mind closed.

His name came from the fact that all but two toes had been lost in a steel trap.

He's got a mind like a steel trap when it comes to people.

She has a mind like a steel trap - people are either in or out.

As he spoke the word, the strong mouth closed like a steel trap.

The young one with its leg in a steel trap.

And let me tell you, he'd got a mind like a steel trap.

My mind's like a steel trap, and if you had told me I would have remembered it.

I told him his mind worked like a steel trap.