Rain chains (, "kusari-toi" or "kusari-doi", literally "chain-gutter") are alternatives to a downspout. It was fed by downspout tiles from the inward-facing roof-opening (the "compluvium"). In those cases, the leader head provides the transition from scupper to downspout. A downspout would often be installed directly above them, to reduce the need for cleaning. Above the center arch, in the copper downspout header boxes, the year "1892" is impressed. The dirt was contoured into a low slope to a downspout aka a 'canal'. Its paneling is Maize Yellow, and the zigzag downspout is still present. The zigzag downspout, a distinctive Lustron touch, is intact. A lead downspout bears the date 1690. Downspout disconnection is especially beneficial in cities with combined sewer systems.