I convinced our shop to switch (primarily) to turbo duo's.. and its been successful. Its just a great idea to help stock a number of colors without having to stock a lot of slugs. As far as the switch grip, griploc, etc thumbs... I think they are great, however for the "average" customer they are quite expensive.
S^2
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"The haddock hits me with a sucker punch. I catch him with a left hook.
He eels over. It was a fluke, but there he was, lying on the deck,
flat as a mackerel, kelpless."