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I have always done best with spikes ...they last longer and are cheaper then wax worms but they all work
I love perch eyes. They are deadly on perch and even trout. I pop one out of my fish perch with the tip of my filleting knife and catch fish after fish on the same eye if you put the hook in the back muscle of the eye.Then when I am filleting I collect all the eyes and freeze them for my next time on the ice.