These have been used for a long time by many anglers to help the shape of thier flies and make them very heavy at the same time. When tied in you should see the head but not the back giving the fly a slimmer view when its actually really heavy.
Legal in Normal Fishign and Some Comps, Internationals etc..
Not Legal for Fips Mouche Rules Comps as of May 2020 as far as I know.
Pick the size and Colour - 10 per packet
