Catching grayling from under the ice is always an adventure. And so that catching this fish is not an accident, you should adhere to certain tactics. The tactical sense of the search is to find those very calm places next to the jet, on which this predator likes to stand. Grayling never changes this habit - neither in winter nor in summer. However, the river is under ice, and it is difficult to immediately determine the border of calm water and a stream. Therefore, we drill a row across. It is necessary to assess the strength of the current, to find the main stream. When this is done, we check everything in calm water near this jet. If the current is significantly different between some holes across the river, then we drill along this level, closer to calm water. We drill the entire stream, look for points with calm water - there will be grayling. At the beginning and end of the whirlpool, we look for places where the current weakens or begins to intensify. We check all local holes, turns, backwaters, depressions in the channel, as well as the corners of flat holes for the entire river under the bank. We also check shallow waters adjacent to anomalies with pebble or stone bottom. We catch with a winter float rod or with a nod,