They're knifers.

The conchs have a holy horror of firearms.

Besides, a shot might bring the road patrol.

He's perfectly safe." As Gavin followed her up the steps and the full light of the lamps fell on his face, Milo Standish stared stupidly at him, in blank dismay.

Then, over his bearded face, came a look of sharp annoyance.
"It's all right, Mr.Standish," said Gavin, reading his thoughts as readily as spoken words.