The most unusual application that can only come up - hang wall of money. That is what some institutions in the USA. Very interesting - and the walls well, and visitors busy - counting, for example, by attaching their bills. For example in the bar No Name Pub, founded in 1931, in the 70-80 years Visitors steel stick dollar bills on the walls - one by one. Already turned to paste the amount of about $ 750 000.