>>837181Its essentially where you have a peice of line attach to a swivel that has a hook in the middle with a bit of orange fluffy material to resemble a trout egg and a fly on the end
Caught a few good ones in the eucumbene river in Australia. Everybody does it here
This video was the only one that i could find to demonstrate it
http://youtu.be/eVo3Tij-yb0