Rio Premier Perception Fly LineThe RIO PERCEPTION is an easy casting, general purpose fly line that casts nymphs, dry flies, streamers and soft hackles with ease. The short head makes this a particularly good line on smaller rivers and lakes when long distance line control is not necessary. This line is built with SlickCast, RIO's proprietary coating technology, which creates the slickest, most durable fly lines on the market. Lab tests show that lines built with SlickCast have the