“You have no body shield,” Idaho said. “Do you wish mine?” He glanced at the distant cliff. “Not likely there’ll be any more lasgun activity about.”
“Keep your shield, Duncan. Your right arm is shield enough for me.”
Jessica saw the way the praise took effect, how Idaho moved closer to Paul, and she thought: Such a sure hand my son has with his people.
Dune by Frank Herbert
Strong arm
My Book Joy 