He started at the sound of a fist hammering on the back door.

They started at the sound of a fist hammering on the hall door.

A fist hammered at her door again, and a voice called out, "Open, in the name of the king."

Carefully, she raised her head to the window just as a fist hammered at the door.

There was the sound of a fist hammering on the panels.

A fist the size of a spade hammered the air.

He ducked the fist then hammered a right deep into Red's gut.

Their heels and fists hammered themselves into pulp against the stone wall.

The man's fists were hammering at Daniel's body, but there was desperation rather than strength behind them.

He saw a fist hammering on the porthole, trying to punch through the glass.