Just pointing out...

When the board flexes between the feet, the rocker DECREASES during a turn.

When the board flexes behind the feet, the rocker INCREASES during a turn.

When it does both, it sucks rocks, and I've got plenty of boards that do this.

This is hardly new information. The Tinkler Flex, an overly heavy highly controlled rocker flex, ONLY FLEXES BEHIND THE FEET.

http://www.surfsyndicate.com/english/technology.html

If you look at the thickness flow of any thin comp surfboard, you can see the flow. NEARLY FULL THICKNESS to prevent flex is maintained between the feet, with thinning occurring only in front of the front foot, and behind the rear foot. The board thickness is the principal variable from nose to tail in determining flex.

On the thin Firewires, they add a "springer" whose job it is to make the board unflexible between the feet. This is added so that the thickness flow doesn't have such an abrubt transition to facilitate flex.

This is not just my opinion - nearly everyone who has played with flex has found the SAME THING.

Flex between feet bad.
Flex behind feet good.

And I am quite sure that the introduction of a new resin that is specifically more flexible is going to find the same thing everyone else found who played with rocker flex. The trick is letting it flex/spring back BEHIND the rear foot, and making it as stiff as a brick between the feet, and not having the board snap at the rocker transition.

Good luck, you have a new tool to help in the quest for the perfect surfboard flex.

And don't mind me, I'm just some kook talking out of the wrong end of his GI tract...