GRAND FORKS, N.D. -- Brian Brosdahl's been an ice fishing fanatic since he first pulled a fish through the ice more than three decades ago. But there's no denying, he says, that ice fishing today is a ...

While several portable fish house manufacturers - Clam, Frabill, Otter and Eskimo among them - feature the flip-top design in some form, there have been subtle refinements over the years. Perhaps the ...