DRAG 123 



switching the fly upstream. He should by all 

 means try it, for ability to do it well is a valuable 

 possession on such an occasion as this, and on 



THE EFFECT OF THE PREVIOUS CAST. 



others also ; unless he overcasts, there is no harm 

 done. The concave curve on the line has to be 

 removed before the fly begins to drag and, if luck 



