Nordik Mini Predator's sound lure has been specifically designed for predators hunting in harsh winter conditions. The whistle is easy to use, as the main and advantage, is that it does not freeze at freezing temperatures. It is compact, But with limited sound capabilities and a thinner membrane compared to Nordik Predator Pre-Tune.
Useful information: Give the signal 20-30 seconds through 3-4 minutes. If within half an hour you have no success you change the pussy.