RCBS Casemaster does the paper clip one better, makes it easy to see (not feel) the beginnings of head separation.

But as Yondering said, if you just bump the shoulder back the minimum needed to chamber the brass lasts a very long time.


'Four legs good, two legs baaaad."
----------------------------------------------
"Jimmy, some of it's magic,
Some of it's tragic,
But I had a good life all the way."
(Jimmy Buffett)

SotG