She should have thought about that, considered the fact that she's about positive lightsabers don't exist for most of the people on the Barge, and she immediately regrets being so hasty. She turns it off, but holds it out to him in its harmless state so he can inspect it if he wants to.

She's possessive of it, wouldn't be giving him this chance to touch it if she hadn't made such a bad misstep just now, but she wants to be absolutely positive he knows she's no threat to him.

"It's called a lightsaber. The beam can cut through anything, so it's one of the only weapons that's effective against another lightsaber. Kylo Ren doesn't have his here, but he created one in the Enclosure." Which brings her back to her previous I made a stupid decision statement. "I saw he had it in pieces when I went in, but he put it back together and had it on and pointed at me before I was ready."