The overwhelming choice for rainbow trout anglers is Leech.
In addition to rainbow trout, leech works great for trout, grayling and ironfish, but perch are also fascinated by its attractive swimming.
It is best to swim the leech while gently rocking it so that the tail sparkles and moves lively.
Make a jerk from time to time, familiar from balance fishing, so that the Leech lunges forward and finally curves and returns. Leech works best with thin, e.g. 0.16 - 0.18mm monofilament line like Väinö Enigma.
In that case, its swimming motion is definitely good.
Available in 27mm and 35mm sizes in several different colors.
