Current Projects chat and miscellany

guys and gals i have a question.
I got this bar-stem combo which is a 3ttt stem to cinelli (ok you already know what my problem is there)

i cant get them separated! any good ideas?cles he

i did use the search function, the only way seems to just forcing it out, which i cant seem to do, or prying the stem open, which also i cant seem to so...
am about to chop these nice criterium bars.....
need the stem for my current project!

help!

removed stem bolt.

insert flat headed screwdriver in the gap.

twist screwdriver.