Elephant - trunk - joint #1

This is the first joint of the elephant trunk. There are 2 broomsticks inside the black pipe, connected with a spring so they stay the same distance apart. This lets the trunk bend, and have 2 semi-rigid sections (where the broomsticks are).
We welded a rectangle of galvanized metal (steel?), while not breathing any of the toxic galvanization fumes. We attached it loosely on both ends of the joint, so it can slide. This makes sure the trunk can't bend sideways - only up and down.