Surgically clean brass, post sizing
Now that case sizing is fully covered, the age old question is; "How to remove case lube?" I use ground walnut shells, using the same tumbling media I bought 20+ years ago, and simple add new media when it gets low from losses sifting the brass.
Dump brass into vibratory tumbler, add media, run tumbler intermittently for 1 minute to mix brass and media. I have a window cleaner pump bottle that contains water and Dawn dishwashing liquid - about 2 teaspoons to 24 ounces of water.
While the filled tumbler is running, I spray the media with the water/Dawn mixture. When the media starts to get clumpy, I place a flat heavy plastic parts bag on the hopper, install the cover, and tighten the cover nut. Dawn is the magic ingredient that will "lift" case lube off the brass.
Come back and check the brass, clean brass -- empty the tumbler, dirty brass -- replace cover & turn tumbler back on for another hour.
I add 1 to 2 double handfuls of triangular ceramic tumbling stones. New stones are 1/2" triangles x 1/4" thick. I have been using the same container of stones for 20+ years. You can buy them at Harbor Freight or Grainger.