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I have no sailing or nautical or any relevant experience, so apologies if this is obvious, but what keeps the sail from getting blown off the ship?

My understanding is that the container is lifted and placed on top of a typical container vessel. And containers do fall off ships from time to time. Adding a very large sail to the container makes it easier to blow off. Is whatever the standard mechanism is for securing containers to ships sufficient here?

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> Is whatever the standard mechanism is for securing containers to ships sufficient here?

Not in the slightest. Containers are secured by lashing them. But that's just the one level, mostly. Then after that it is twist locks. There are enough pictures of containers being ripped apart by the sea. Or stacks entirely damaged. Containers are made from steel, loads of people tend to assume they're indestructible. Or that they can hold way more weight than they can (scrapped metal people).

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