The rain chain has quite the interesting history. To live a greener lifestyle, people are collecting their rainwater with a copper rain chain and using it to water their flowers. Although the Japanese were using the water accumulated from rain chains for more extensive uses, the concept has never left us. There is no doubt that the Japanese creators of rain chains picked up on this very fact. You can just sit and listen to the rain run through your rain chain. Before you know it, your entire neighborhood will be sporting rain chains