Thanks all for replying,
Crowd source solution to lack mentoring well works here!
>"Just cut up a cheap plastic excluder and mount it on the top of the frame feeder.<"
If I had one!
I don't remember ever finding a drowned queen... I think you're trying to solve a problem that doesn't exist...
You are right on; the idea was to have one less place for Queen's to hide!
So this is back to K.I.S.S. just a slot on each side and a wall in the center.