What's that hanging in the tree?

Today was lovely in San Francisco, sunny, clear, with a hint of spring in the air. My partner and I took an early morning walk. And this is what we saw on a neighborhood street:



Naturally, we came closer.



What are those red things?




Click on the picture below to visit artist Nina Rosenberg's description of her art project and the many knitters who made it possible.



Or if you prefer a more conventional link, try this.