George Harvey and Jo Humphreys pioneered this technique. Over the last several years there has been a renewed interest and steam
What you’ll Need
RIO Superflex 13.5 ft 4x is. Soft nylon leader
RIO or Umpqua 3x two-tone Indicaftor Tippet.
4x through 7 x tippet fluorocarbon
Take the RIO Suppleflex leader cutoff 24 inch so you get down to around 3x diameter section of the leader and a length of 11-11.5 ft. Then tie in 24 to 30 inches of indicator material to the leader using a strong blood knot.
Next tie tippet ring to end of indicator line then tie on tippet to tippet ring.
Next tie tippet ring to end of indicator line then gtie on tippet to tippet ring.
This was taken from article by George Costco in Hatchmag