Here you go:
Obviously these foil sections are greatly exaggerated (you don’t/probably won’t ever see a windfoil front wing look like that), and my drawings are crappy. But i would gather this is what he’s talking about.
when you start adding camber to the bottom surface of the foil, you introduce a rolling effect (imagine theres no stabilizer) as the foil moves through the water, before it starts to cavitate.
you put a little “hook” on the trailing edge, and it helps to counter the rolling effect.
correct me if im wrong Jaumet?
