Rob laughed, and rubbed his short black beard with a finger.

He rose when we entered and grinned at us, rubbing his beard shyly.

The dwarf rubbed his beard, staring at Rap as if puzzled.

Zambendorf rubbed his beard and looked thoughtful for a few seconds.

Zambendorf frowned, rubbed his beard, and looked back at the screen.

He swallowed with some difficulty, took a few more deep breaths, rubbed his beard.

He rubbed his beard with one long finger, then moved a couple of pieces.

O'Rourke rubbed his beard as if embarrassed by telling such a long story.

He half frowned when I finished, rubbing his beard.

Greenway was looking at them now, rubbing his beard, deep in thought.