Kat looked up at him and shook her head. "I'll need tools that are made of something harder than the material I'm engraving." Which was her way of saying that she could do that except that right now she didn't have the tools that let her do that. Right now she couldn't engrave anything that was made out of metal.

"You worked with holograms?"

She hadn't had that kind of technology in Limbo city though she'd seen reflects of people between planes before.