This process of grabbing hangers, pulling from the bulk, and inspect the links is the basis for all knowledge in this world.
Sometimes they'll grab loose hangers, but more often they'll grab a snarled knot of hangers that won't easily disentangle.
I'll talk about dynamics shortly. But first:
Although "everything is made of hangers", this isn't enough to explain the structures of the macro-landscape. A given hill has its structure not only in virtue of its parts, but also their arrangement: the pattern of twisted knots in the metal.
Add to this picture two important dynamics.