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They have pros and cons. Lower visibility is a problem if you cover ground, or are in deep snow. The pro os the mechanism releases very smoothly and can allow you to pull the line out better without alerting the fish as to your presents. I use both and think it is a good tool to have in you bag.Oddfish
after 50 years of ice fishing i like polar the best top spins to see them running spool turns to the run good release
That and the fact that they set up twice as fast as the upright traps.