Came into this thread thinking OP was talking about the game. Found out it's a food, am disappointed I haven't tried it yet.

Check out Tribecca's Sandwich Shop on the north side of Chicago in Avondale. https://www.instagram.com/reel/Chag6iSD2Vp

6 Degrees in Bucktown had them for 13 years, but closed down last year. The owner was the daughter of Paul Keefner of Bachmann & Keefner Drug Store in Springfield, the last in the city to still have a lunch counter when it closed in 2004.

I speculate that horseshoes will migrate north as poutine migrates south, eventually to breed a hybrid called a "mooseshoe."

That’s more a central IL thing. Haven’t seen one on a menu north of I-80

Uhhhhh, no. Closest thing I can think of is Fat Sandwich down in Champaign.

https://www.fatsandwichchampaignil.com/

There aren't any photos on the website because it's the kind of food that only looks appetizing when you're a college student walking home from the bars.