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When your iron gets sticky or dirty or when you accidentally get iron-on interfacing stuck to it, simply take a fabric softener dryer sheet and set the dryer sheet on top of a paper towel (to protect your ironing board), then lay another paper towel next to it. Turn your iron on high and iron the dryer sheet, then iron the paper towel (to clean the iron off). Go from ironing the dryer sheet for about 30 seconds, to the paper towel and back and forth again until your iron is totally clean. I like this handy trick because it cost nothing and your iron will glide smoothly, just like it's brand new!
Source: I heard this handy trick on a PBS quilting show.
By Cyinda from Seattle