"I won't laugh," said Kaoru, shooing away a glow-worm that was getting too close and too curious. "It's important to you."

He could understand how even common, everyday sort of possessions might gain some elevated importance. After all, he'd carried around Louis's old ID for god knows how long. "What are the Immortal Flames? Is that some kind of organization?"

If so, it'd make sense that they issued their members some sort of sign of membership. Maybe it was like getting your piloting license?