The long lip manages not to float too much, keeps a certain range.
The medium type of athlete slim sinking series has been developed for flounder as a main target. The range setting is 1.5m. It is set in the range deeper about 50cm than 12SS. Flounder is the severe fish to the range of target. By searching each range, it endures the bite in higher probability. This semi-long lip also has the effect to control the floating, to keep a certain range when it arrives at the diving range. The most distinctive feature is the overwhelming distance that doesn't feel the resistance of the lip.