I love my mounted sandpaper rolls but if I just rip at them when the sandpaper is worn I get a build up of paper near the base. The quickest solution is to gently use a blade on it. Gives you a super clean cut! Be sure to save those worn bits in your refining bucket! If you don’t know what a refining bucket is visit: https://metalsmithsociety.com/a/blog/metalsmith-societys-guide-to-refining-scrap-metal hope this is helpful!! #jewelrytools #sandingjewelry