There has been a lot of interest in the rimfire cases that I make from centerfire brass. Since I'm in the process of making 10 more .44 long rimfire, I made a two part video on the process I've come up with. Maybe this will inspire you to makes some of your own
https://youtu.be/MeQcElAGCBE
https://youtu.be/Fxz9s9kjflI