Streamers are medium to large flies that you can fish on an active retrieve. These traditional flies imitate baitfish, crayfish, leeches, and large aquatic insects such as hellgrammites. Streamers are the fly-fishing equivalent of conventional lures - and because the fly can move, strikes can go with a bang. There are to many to mention but Mrs Simpson, Wooly Buggers and Tom Jones are common in most anglers fly box. Be sure to tie these flies on using a small loop knot this will give more action to your fly. Common materials used on streamers are Feathers Marabou and rabbit zonker. A little bit of Krystal flash gives a little bit of reflection similar to fish scale.