Umpqua Perform X Practice Leaders For practice casting, a bright, neon leader can offer, for the first time, a highly visual picture of the entire cast from rod to line to leader to fly. This Fluorescent Orange leader with pre attached "yarn fly" is perfect for casting classes or practice sessions. It is ideal for fishermen wanting to visually see their practice casts whether on water or grass. Curve casts, reach casts, s-curvesUow you can really see them and perfect them. "Perform X HD" Practice Leader should be considered for 7 wt and up rods and the "Perform X" for 6 wt and smaller wt rods.