When threatened, how might the female blanket octopus use her eponymous 'blanket'?

Answer

Wrap this material around herself effectively becoming a less identifiable, drifting blob

When threatened, the female can wrap the massive cloak of skin connecting her dorsal arms around herself, acting as an effective anti-predator adaptation in the featureless blue environment.

When threatened, how might the female blanket octopus use her eponymous 'blanket'?
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