"No need to return it. They're common enough in our world," says Rocinolle. "There's a set of lights on the rings. They'd be red now, meaning to be careful. When they turn yellow it's clear to put some weight on the leg, but the bone's not all the way healed yet. When they're green the brace can come off."

"There's a set of four buttons and the order to press them in to unlock is printed under them." It had been done that way to keep people from accidentally knocking the braces off.

"If there's anything else you need to know, I live here in the Nexus. There's a building that way with a big yellow metal creature in front." She knows they won't know what a metool is. "It's harmless, and I'm usually in the repair building right next door."