The flasher you are refering to (I think) is an electronic device that is essentially a fish finder (sonar) that displays results as a "flash" of light on a screen that you watch. Sensitivity can be fine tuned so that you "see" the bottom as a flash, see your lure as a flash & see fish as flashes......all against a depth scale on the flasher unit so you know how deep the water is, how far down you are fishing & what level in the water column fish are suspended at. They take a bit of getting used to, but once you get on to them they are very addictive, and an excellent fishing tool! When you're out ice fishing, visit with neighboring fishermen..........someone's bound to have one and most are more than happy to show them off (so to speak!). I'm sure loads of guys will be commenting on their virtue. Some of course prefer underwater cameras..........both have their place, just as many have individual preferences. Check them out!
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