If you use a positioning pin vise the pins can potentially mark your work @directional_designs has a fantastic solution and shared a video on how to do it! -“Quick fix for a common problem. Nothing worse than more tool marks to remove. A little hot glue and petroleum jelly” BOOM thank you for sharing 🙏🏻 @grstools #pinvise #jewelrytipoftheday #jewelrytoolmodification