I did something like this before but I think this one is better executed. This... isn't all that easy but it should come like a blinding flash from the blue.
First nudges: The grid is an odd size
Other then the first clue there aren't really any…
(Wouldn't mind advice on how to construct grids where the symmetry of the black cells do paint me into corners with rediculously long words, or blank areas a mile long though.)
What to say about this. I wanted a return to old-fashioned straightforward metas. The one is probably kind of hard because the theme mechanism actually, to my surprise, worked really well, and thus hid themselves. On the other hand this might be…
I think this is an original mechanism. I've certainly never seen it before. It's novelty may make this tough but I hope it's very easy to find the first foothold.
So.... this is based on what I hoped was the Metanism of the latest WSJ contest. I don't think it was (I haven't solved it yet.... this is one of those days where it's easier to redo a puzzle than to solve it.)