The netting may be loosely draped or cinched up tight. It depends on the building. The effect of the former is not unlike a veil, while the latter suggests something more like a corset. In either case, the purpose is the same: to prevent problems caused by falling debris.
They lurk in great piles behind convenience stores and in train station utility rooms. They are clustered in homes, offices, public toilets, parks, waiting rooms, and restaurants. They congregate in unpredictable numbers, multiplying when nobody’s looking, becoming over-numerous.
The cat that looks like James Hetfield usually patrols around the tiny ramen shop by the shrine in the morning. On some days, the restaurant’s sliding door is open and he can be seen sitting inside, presumably conferring with the proprietors on some matter of importance.