"Glass Leather Burnisher - Necessary leatherwork tools for getting professional leather craft effect. - Simply apply pressure back and forth on the flesh side of your leather until it becomes smooth. It can also be used as a base for leather and leather knives. - These plastic scrapers are flexible and sturdy, can be bent but not broken, flexible and efficient. Available in 2 sizes to meet the needs of a wide range of applications. - The machine engineered curved edges are entirely smooth and won’t scuff, scratch or drag on your leather piece. - It can be used in various ways according to the application, it is a convenient item to have one."