You didn't mention the size, but it looks like it might have been a lighting fixture with a pull chain where the little grommet thing on the side is
edit: it seems I was typing way too slow tonight
It does look like those, but the top/tip of it is solid. There is no opening like in the pictures.
And the bottom looks like it was solid too, no real opening there to go over something.
Nokta FoRs Gold, a Gold Cube, 2 Keene Sluices and Lord only knows how many pans....not to mention a load of other gear my wife still doesn't know about!