HACKENSACK, Minn. — In a sport that has exploded with expensive technology in recent decades, like $400 battery-operated augers, $4,000 electronic fish-finding video-like sonar systems and $40,000 ...

Holdersonice.com tip-down ice fishing rod holders, which react to the slightest bite of any fish, helped catch this mess of perch and walleye, said inventor and owner Dwight Kurz, of Hackensack, Minn.