Adso the extended body you're talking about does work real well for hexagena mayfly we call willow flys here in Alabama. I used them this summer and caught many smallmouth on wilson lake. They did not hold up as well as foam patterns I have tied but I perfer them to the foam. there is a site that has the instructions at [url=http://www.thefishguy.net/tyingflies.htm:0cd6f]www.thefishguy.net/tyingflies.htm[/url:0cd6f]

Larry