Chrissy knows very little about crabs, and so she has no idea if anything they're doing is going to be effective at all. But they've already come this far and the plan seems reasonable even if it might not be particularly effective.

The knife's still aimed at Gwen, which was the entire point, and still she feels slightly guilty about it. Worrying too much about that isn't going to accomplish anything, though.

"Three!" she announces, before lunging forward to make a grab for the little guy.