Keep Your Chin Up

Max and Moon are on a scavenger hunt, struggling with the last item due to a map mishap. Moon encourages Max to keep his chin up, explaining the idiom's meaning and origin. They humorously discuss their final task, with Max opting for ice cream instead of finding the biggest hat.

How does Max feel about their progress in the scavenger hunt?

What item are the characters trying to find in the scavenger hunt?