At first glance, the Stillpoints look like an enlarged tip of a ballpoint pen. The ball is actually a rocket grade ceramic ball bearing, perhaps 5/8" in diameter, housed in a conical Delrin body. Peering into the ¼--20 threaded hole in the base of the cone, four other smaller ceramic balls are barely visible, suggesting a set-up similar to the hub of a bicycle, where a ring of ball bearings rides in a machined (and sometimes polished) race. But rolling a finger across the exposed ceramic ball on top reveals quite a bit of friction, indicating that the purpose of the pyramid of ceramic balls is not to dissipate energy in the fashion of various rollerblocks, but to transmit it to the four other ceramic balls within the cone. At this point, I became hopelessly baffled, and diverted my efforts to listening tests.