Think about it, you drop a bait down and after a few minutes in this heat you bring the bait up and it is just swimming slow and lathargic. When you drag something in front of a cat slowly you get his attention as he watches the object, but then eraticcaly snatch an object back and forth and it invokes a strike.
This is why when you drop a fresh bait over some fish you just marked they hit it imediatly, but after its been down for a while you just dont take the strikes as fierce. I was surprised after fishing all morning with my bait, Bob gave me his remaining few baits as he left, and I could tell which ones in my tank were his, they were still darting around like we just got them from the bait shop.
I believe at this time of year when we are fixing to be fishing in 90+ wheather and over the river channel in 100' fishing 45' to 90' deep on the drop, this is when this system will shine.
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Eat, Sleep, Hunt and Fish (The Devil is in the details)
Dan Duncan