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So how did things go?
Ok, thanks both for the info! It seems the issue is the housing then. I see there is a Nikon housing for sale at B&H (on back order though). It seems to allow you to use the flash to trigger a strobe even though the flash is blocked by the opaque housing. Looks like there is a fiber optic connection. I wonder if this is compatible with my YS-02 strobe.