|Let it rain, who cares?|
|Weaving with several threads. Eight thread grabbers come in handy.|
|And round and round she goes.|
|View of the spinnerets, producing dual threads.|
While most spiders have six spinnerets, some have two, four, or eight. ... Most spinnerets are not simple structures with a single orifice producing a single thread, but highly complex structures of many microscopic spigots, each producing one filament. This is important partly because it produces the necessary orientation of the protein molecules, without which the silk would be weak and useless. (Wikipedia)
I climbed down and went about my chores. When I came back an hour later, the web was done, and the spider was in hiding, waiting for her breakfast.