I read a fair chunk of this thread, very clever stuff!
I have figured my own version which requires nothing more than drilling 2 holes in a little bottler, and the great news is that the little bottler still works 100%!
Drill hole 1/4 way up Little Bottler adapter, push the wand fully home, drill again through same hole, so this time through the wand.
Little bottler - with holes misaligned.
Aerator - with holes lined up!
Here it is...