Yes, I see what you mean. I'm not near the car now, so I can't see what you mean when you say there is "no groove" on the sides, which must be in regard to the CF windshield surround. But I did look at
@RickMcB's pic and I cannot see any stitching showing.
I have no way of zooming in to see his pic better to see if that is the case, but what you say makes sense about the back being too far forward if it got shoved in under the surround.
Hopefully Rick will jump in and clarify.
Thank you for your assistance.