Uprooter weed pulling tool. 3:23 video:
https://www.youtube.com/watch?v=Fzw0IF2TpbM
More: https://www.theuprooter.com/
Previously:
https://www.homemadetools.net/forum/...384#post161857
https://www.homemadetools.net/forum/...771#post136877
https://www.homemadetools.net/forum/...216#post115968