Thread: Ideas for an unconventional crimping system

I think the other two posts have already solved the issue, but for what it's worth, before I scrolled down, I was picturing the three piece holder from a bullet puller being supported from below and above at the appropriate height by a sleeve around the case, then pushing a second sleeve down over the pieces in such a way that they constrict inward (A little bit like an adjustable apeture).