I use a pen that is heat sensitive and erases when you put it in the dryer or use a hair dryer on it. It is made by Pilot and called Frixion. I picked it up at a local quilt show, but I bet you could find one at some place like Office Max or Staples. They come in several colors, too!
Last edited by Dawnwrey; 04-21-2012 at 07:08 AM.