To sharpen: Punch through aluminum foil every so often and it will keep your punch working as
good as the day you bought it!
To smooth: Punch through wax paper every so often and you punch will work as smoothly as ever!
You may have to punch through each a few times to get the desired results, but it will keep your punches in great shape! Remeber, tomorrow is QA Wednesday and three random questions recieved by e-mail that are answered on the blog recieve a FREE card kit, so e-mail any and all Stampin' Up! related questions or questions about my clubs/classes for you chance to win!!