I must smile, You cannot hear so much from me. I work allone, only carbon fins, and when
I write something here, no answer, okay its no problem for me. That what I work is outside of the box. Doubleasymm. fins for both tacks, such a nons.....
And a cut out at the base, and no spin outs, and fast. And now that: 50 knots topspeed
GPS with Thomas Döblin with such a fin. And sorry, he is good, but a weekend Windsurfer.
I work day and night fins,when I write here something, than will I help and notmake money.