Buy this Tara Copper Rain Chain to replace your gutter downspout. This rain chain has a unique design of the swirled funnel cups connected with swirled links. Each cup has a wide mouth that narrows down to funnel the rain down the chain to the next cup. In Japan, rain chains or "kusari doi" have been around for hundreds of years to provide a beautiful and functional watercourse for rain. Simply insert into your existing rain gutter drain hole or place it on a corner eave of your home or patio.