Al Gags admitted to some issues with weighting on some of these early on and that later ones were better and I believe all the ones that Don does are the new style. Certainly not a surfcasting lure but good from a breachway / dumping river inlet. I know a couple places where I'm going to use a few within the next month / month and a half
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Maybe Don can chime in a bit but unlike Al when he was pushing these as a great surfcasting lure I believe Don was saying that they work well in some shore applications (bways/inlets/current when you can be upstream from the lure) but they are a better trolling lure...
And like Flap says, the Tuna supposedly kill these things...