The inside of the door had been fitted with a heavy bolt.

So she at once drew back the heavy bolt and opened the door.

The woman barely looked up as the heavy bolts were shot outside.

At the end of the wire was a heavy bolt.

Then Kevin heard the sound of a heavy bolt being drawn.

Frank pulled the door behind him and slid the heavy bolt into place.

But when she reached the door to her room, the heavy bolt was gone.

I let the door close quietly behind me, and slid to the heavy bolt.

She immediately closed the door and snapped two heavy bolts across it.

In moments- My hand falls on the base of this table, held to the floor by three heavy bolts.