Bungler's Block (aka the Chinese Pendulum) Puzzle

I got this puzzle from eBay from a very good seller who was kind enough to give me some freebies. I don't know if he was really kindhearted or this was done to compensate for some little rusty elements on the metals, well anyway, I do appreciate his gesture. I definitely received more puzzles than I deserved- a whole box with no less than ten puzzles! I'll feature the other puzzles included in the box in my next blog. The Bungler's Block , aka the Chinese Pendulum Puzzle , looks deceptively simple, but it is really a tricky puzzle involving several coordinated movements that's guaranteed to twist your brain. The long delay in my solving the puzzle ( 2 days) was attributed to a maneuver which I totally missed out. The opening and closing loop has two movements--this is the key to solving it. The other moves include coursing the rings through the movable loop and passing the ring over the big hump- a maneuver thats only possible if you are aware of the movable...