[quote name='nobody's prefect' timestamp='1359896422' post='1961669']
It's their 'extended b' - an optional feature that's supposed to make the b-string feel more taut. Not sure about that, physics seems to dictate that the 'give' in a string would be at it's minimum with excess string length. (Since every meter of the string will stretch some when pulled, every additional inch will add string that will stretch...) But Fodera famously arrive at their design choices through experimentation, not theory. Sure, theory informs stuff, but they build prototypes and test it out.
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Cool , thanks for the explanation