I don't think it's as much like line dancing as it is like a dance that was popular up here in Wisconsin in my youth. (Which was a VERY long time ago.) Anyway,

I don't think it's as much like line dancing as it is like a dance that was popular up here in Wisconsin in my youth. (Which was a VERY long time ago.) Anyway, it was called dancing the maypole. It was slightly different. But it sounds extremely similar to the "Carole" described in the article. Maybe there is some kind of connection to the maypole there? My understanding was that the maypole came to us via the connection of farming to solstice to harvest celebrations. But the old people might have been filling me full of nonsense. Because this "Carole" sounds WAY to similar for it to be coincidence.