Railroad track spike puller. 0:29 video:
https://www.youtube.com/watch?v=-XNi2Wgf55I
Previously:
https://www.homemadetools.net/forum/...s-photos-70020
https://www.homemadetools.net/forum/...1740#post75040
https://www.homemadetools.net/forum/...121#post115609