Physical description
1. & 2. Two small metal pipes containing inside a wire spring going full length and inside the spring is a small round metal bar/ bolt with a small sphere with a hole in it at one end and a nut on the other end. Metal band around pipe with wings containing a small hole on each side. Small slot in both sides of the bottom.
3. & 4. Small metal clamp that fits down the middle of the pipe. It's purpose is unknown.