Anyone in their mid-50s remember this?

[Duck Herder]

Close! It's the power train for a coal separator.

Separates the shale from the coal?

 

[Wrighty]

The majority answer to the original question, in a round about way, is, it seems, ‘don’t know’. Please can we have the answer!

 

[StevesBoogie]

The only band image that comes to my head is Jethro Tull. But, I believe the Safety Dance guess is likely a better fit here.

Just my luck, I failed my first trivia question of 2022!

 

[Chip]

Those are Devil Sticks and quite popular at Grateful Dead shows in 90’s

Here’s a couple of pictures I took in the parking lot at the Richfield Coliseum on March 21, 1994 unfortunately I don’t see any Devil Sticks but there’s a huge drum circle in the middle of those cars.

 

[3fngrs]

Those are Devil Sticks and quite popular at Grateful Dead shows in 90’s

Here’s a couple of pictures I took in the parking lot at the Richfield Coliseum on March 21, 1994 unfortunately I don’t see any Devil Sticks but there’s a huge drum circle in the middle of those cars.

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Man, I miss the Coliseum.

 

[BFcaster]

Grateful Dead shows....that would explain why the only thing I recognized in the original photo was the blue tote.

 

[fjblair]

I remember the band but not whatever that is in the photo.

 

[nojazzhere]

Here's a cool version of the song in question.

 

[johnnylaw]

Grateful Dead.
They used to call them Chinese yo-yos. Cool enough for some.
I found the hula hoop ladies held my attention considerably longer though.