On the walk in to Mass, I noticed smoke rising in the early autumn chill from a few neighborhoods across the river. Chimney fires, presumably. A few days ago, I noticed a fellow walking up and down the main commercial street with a brush on an amazingly tall rod, presumably advertising the others for sale in his bag.
When a new tool appears at hand, perhaps something in the world is changing, and making it necessary. Our lists of equipment and affordances are not exhaustive.