Once in the Gap, with a lighted lantern in his rein hand and his six-shooter in the other--because it was ticklish riding, in there with lights revealing them to anyone who might be coming through--he was content to go slowly, peering this way and that as he rode.
Once Eddie halted and turned to speak to them.

"I know Boise wouldn't leave the trail.

If Sis had to duck off and hide from somebody, he'd come back to the trail.

Loose, he'd do that.

Sis and I used to explore around in here just for fun, and kept it for our secret till Lew found out.