What @Camilla_SDO is for space nerds - a yellow rubber chicken appearing at key events - this green watering can has become for rock concerts in Germany, like here by Benzin at Bochum Total on 7 July: The Gießkanne - http://www.derwesten.de/staedte/bochum/die-giesskanne-ist-bochums-neues-partyluder-id4906092.html - even has a Facebook page, https://www.facebook.com/DieGiesskanne ...