I was recently asked to make a left threaded corkscrew. I said i would give it a try. Material is a broken coil spring from a Mercedes Vito van.
Like many techniques in blacksmithing, most have been tried and tested many times before. The design of the handle was actually inspired by a video from artist blacksmith Tobbe Malm. You can check out his truly inspiring work here:
https://www.youtube.com/user/bebeiron
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Soundtrack:
Jason Shaw - Running Waters
under a creative commons attribution license
http://freemusicarchive.org/music/Jason_Shaw/Audionautix_Acoustic/RUNNING_WATERS______________2-46