M923A2 Hood mount?

[PatLitToolMan]

What was mounted on top of the M923A2? I picked one up recently and its has provisions on the hood to mount something but I don't recall seeing pics or seeing what it was. A shovel?

 

[Evil Dr. Porkchop]

Those hold the windshield when you've got it folded down.

 

[PatLitToolMan]

thank you...