Can you identify this tool?

Party lines! We still had them IIRC in this rinky dink town I live in in 1980. No, that can't be right can it? IDK. I might be losing my memory, or inventing memories,lol.
Remember when you flipped a coin for who goes on top?
Naw, me either........
Yep we did a lot of stuff 50 years ago that kids now days couldn't get by with