deskthority

Any good for anything? Found them in box of old bits'n'bobs, probably worthless, thought I would check there not priceless
Video editing probably not that useful for many people!

They look like those for Key Tronic rubber dome keyboards: the cheaper all-plastic types with flat backplane, not the ErgoForce or earlier with curved back plate and large case with rounded borders.
The side-legs on the larger keys would snap onto plastic stabiliser bars that are mostly on the underside of the barrel plate.

New Story is an interesting cap. George Lucas could've really used one of those somewhere in the 1990s…

I'm not sure a new story would have come to his rescue. When he tried that, we got that duck movie. I felt violated.

You mean Howard?

I had forgotten about Howard...

Its settled then, I push holes in a piece of card and give them to my two year old as a "control center"...