I had a friend who used to boil carbon steel blades in bleach to make them look old. That's probably too extreme though. <img src="/ubbthreads/images/graemlins/ooo.gif" alt="" /> He was into early American Buckskinner stuff and wanted the steel to come out looking old and pitted... <img src="/ubbthreads/images/graemlins/cool.gif" alt="" />