You are reading a single comment by @hugo7 and its replies.
Click here to read the full conversation.
-
I was wondering about that. Or if it was a filler of some sort.
brackets
I just found them via Google image, but linking them in case someone finds it helpful
https://amzn.eu/d/8q2tei6
hugo7
The one you circled looks like there's a thin layer in the middle, would be a possibility too that they made the slots in that leaving more sheet intact.
Definitely something clever going on.
Those are nice brackets btw.