Apparently the idea nor the problem weren't so unique after all:
http://google.com/search?q=juice+box+holder

— Petteri Aimonen on 22.08.2011 at 14:31 (UTC)

And now some Finns are trying to turn this into their business: http://www.mehujehu.fi

— Sisko on 13.05.2016 at 10:05 (UTC)