Some folks need to watch this.
http://www.bing.com/videos/search?q=hammer+forging+barrels&view=detail&qpvt=hammer+forging+barrels&mid=3839C68919182FF5E4583839C68919182FF5E458
http://www.bing.com/videos/search?q=hammer+forging+barrels&view=detail&qpvt=hammer+forging+barrels&mid=3839C68919182FF5E4583839C68919182FF5E458