Freehand forging a corkscrew GIF

Freehand forging a corkscrew GIF, by traditional blacksmithing legend Mark Aspery.

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Original source video:

https://www.youtube.com/watch?v=pv_IhhdvzHo

Yes, there are other ways to do this, like below, but the one above is the most impressive I've seen.

https://s3-us-west-1.amazonaws.com/h..._corkscrew.jpg