I have only found the jazzed up C-clamp spreader and the cube shaped spreader. Apparently these are fairly rare tools.

I occasionally buy tools for a dollar or two and figure out a purpose for them later.

Thanks for your help.
Perhaps a different search engine will find this elusive gizmus.

__________________
Semibodacious Transmogrifications a Specialty

1990 300D 2.5 Turbo sedan 171K (Rudolf)
1985 300D Turbo TD Wagon 219K (Remuda)

"Time flies like and arrow, yet fruit flies like a banana"
---Marx (Groucho)