A plunger, tied to a length of twine, hits one of the chairs and sticks there.

With the twine anchored to the chair, the crossbow-armed mouse on the other end of it runs in and starts wrapping it around the legs of chairs. They're tangled up together in short order and unable to move without stumbling over each other.

"You can come out now," Gadget says, "the chairs are a little tied up at the moment. Or a lot tied up, actually."