"Hm?" Ford catches the ring without thinking about it -- it might have been a grenade, and it wouldn't have made a difference. What is in his hands only registers when he looks down at it and recognizes it.

He scowls. "That won't tell us anything! I might trust this ring in the real world," Ford says, "but in a dream, it's unreliable. You could make it light up whenever you want!" He tosses the ring back. "It's too easy to influence. I won't use it."