Set it just by pushing it in!!Functional winding work Ideal for mountain streams, clear streams, ponds and breakwaters!1), Line guard spool: Protects the line from rubbing and collision.Difficult to stick thread.2), Line holder: Hold the thread on the "side". Keep the line intact. *When using extra fine thread, wrap it several times.3)Oval hook holder: The hook does not slip and the hook tip does not hurt.4)Soft body: The soft material is used so as not to damage the line, the device and the rod.5)Drainage hole: Structure that does not collect water.6)Hard frame: The body does not bend and the work is stable.7)Arch shape: Easy to set by pushing! No shift when moving