I am sure this is used by many of you, but some may find it useful. I learned this from an older craftsman a few years ago. Using the belt for a belt sander and a piece of 3/4 scrap. Pictured is a 3x21 belt with a pice of poplar ripped to 3” and cut down to 9 15/16 with edges rounded. This has numerous uses and I keep them handy always!