I use my fingernail and go around and around and around as I hold onto the outer part with three fingers. I hold the thin part up and the outer part facing down. All done over a soft safe surface of course.
When it is just about ready to open, you can just twist and pull both ends apart. I use an eyeglass cleaner cloth to get any dust out of these before replacing a coin.
When it is just about ready to open, you can just twist and pull both ends apart. I use an eyeglass cleaner cloth to get any dust out of these before replacing a coin.



















