Name this accessory

[Fat Tony]

This came with some other cool accessories when I purchased a grill from MP. Can anyone tell me what it is and how it's used? The seller had no idea.
Thanks

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[Raindog]

This came with some other cool accessories when I purchased a grill from MP. Can anyone tell me what it is and how it's used? The seller had no idea.
Thanks

Sent from my SM-S727VL using Tapatalk

I believe it's a wok ring that would be used on kitchen stove.