Hummer70 - and anyone looking to follow this kind of case annealing or stress relieving process.

One good thing to come out of Lee is their case cutter lock stud - but not for what it was meant to be used. I used to use the lock stud and the case holder from their case length gauges to hold cases for annealing.

Use the lock stud from this set ($8):


And the case holder "nut" from this set ($6 per cartridge head size):