Rain chain

When our greenhouse was finished a few months ago, I was told something called a rain chain
was on order.  I had no clear picture of what this could be until it appeared earlier this past week.  It's hanging off the end of our catchment gutter, directly above the drain that's set up to direct rain water to one of our many catchment tanks.  I think this is pretty cool, on all counts.  I decided to photograph it today and then watch it as it accumulates ice over winter.