I've driven down there and watched tribal members use gear exactly like that, horsing the fish they snagged up the gravel bar and throwing them in the bushes. I also saw a family showing their 8-10 year old how to snag with one of those, when he reared back to "cast" he got the large treble stuck in the back of his neck.
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Propping up an obsolete fishing industry at the expense of sound fisheries management is irresponsible. -Sg