alibaba

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I have had reasonably good success making my own and think I have a simpler method than some others I have seen.
I just tie two hooks to a piece of 80 lb braid and loop it to a split ring with a strand of rubber alongside the braid, before pulling it tight I add two more rubber legs trough the loop created at the split ring. when it is pulled tight the rubber seems to stop the knot slipping when a fish is only hooked on one hook.