That looks what I used to tie small aircraft down for storms. Or a trailer house tie down.I use this oe--the Four Paws Giant Tie out.
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I threw away the crappy cable that came with it and made my own with wire rope and bronzed clips.
If you can fond a rugged one like that that a piece of pipe can fit through the end it's easier to screw it in, but rocky ground might be a problem.
