[Aware she's joking, he responds in kind:]

Oh, I like the bells idea! It would help the robot bears know we were coming. And the string could trip us all up as we try to escape. Good thinking!

But thank you, I'll keep you in mind as hunting help. I'm not too worried about my lot [meaning Chuck and Rat, as well as Donna and Riley herself] going hungry or vanishing, but there are more people here than one little angel can keep track of.