[Her smile softens as she watches the two of them together. It's good to see how they trust one another.]
Rebecca and I designed them explicitly so that they can't cause any harm to anyone. It's a little like watching a video on your communicator, only you can control what happens. And if you don't like it, all you have to do is say "stop" and it will stop.
But if you'd be more comfortable, you can someone using it to see that they're safe.