The Hippo Water Roller is used to gather water in developing countries. It was designed by two South Africans who grew up in rural areas:
Well why not . Good idea . As long as they can afford one .
Hopefully that they will be able to afford one!
http://www.hipporoller.org/store/They are not cheep...
started back in 2013 but see nothing recent on it ...but a good iea even from the storage component