Flash diffusor

I came accorss this interesting design:

http://www.juergenspecht.com/truestories/?...amp;storypage=2

I guess underwater version could also serve as sail on drift dives.

I want it for the next time in the Pelileu Express

Let's just hope it's not windy

Hehe, it is a crazy design, but I must admit that the results are great!