The Boots and the Broker were sharpening a spade— Each working the grindstone in turn: But the Beaver went on making lace, and displayed No interest in the concern:
Boots is given something to do! If Boots (Bonnets and Hoods) stands for Society (Nobility, Rich) he and the Broker (Also given something to do) (Barrister) are sharpening a spade. That seems like gearing up to fight the Snark. Industry, however, isn't as thrilled.