The main material, fritz, or Blob chenille used to tie ‘Blobs’ *and Booby's is an interesting material that comes in a wide variety of colours.
The creative tier can incorporate this in streamers or large wet flies and anything else you can think of. For example, it can add a nice splash of colour. It can also be used to bulk up ahead or the body of a streamer, steelhead or salmon, bull trout or pike flies to create turbulence for the swimming materials behind.
Once mounted, it can even be trimmed to the desired shape.
Great stuff indeed!