Wine seasoning oak spiral - GIF

Wine seasoning oak spiral. I guess to increase the surface area of the oak that contacts the wine. Is this what they mean by "oak-aged"?

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Previously:

https://www.homemadetools.net/forum/...816#post148335
https://www.homemadetools.net/forum/...721#post147971
https://www.homemadetools.net/forum/...460#post135644
https://www.homemadetools.net/forum/...218#post115985