Exner developed this model for fishing pelagic or bottom fishing to catch different kind of breams. Their aims were to reach huge stability and sensibility.
To reach the greatest stability they used a short weigh section with bigger diameter. Its stem is made from Sarkanda reed so it is possible to put a light antenna to it. Because of
the sheets the weigh of the body can be changed. Because of the special antennas the visibility is ensured as well. It is a highly sensible type.