This could save your life.

BOOST.

Absolutely vital information to have if you live where the waters freeze over.

I especially appreciate this guy's commitment to actually showing the steps himself. That cold-shock response is a bitch and willingly subjecting himself to it couldn't have been fun.

I don’t live anywhere near water like this, but I am still memorizing this knowledge because:

* I might use it in a story someday.

* Any knowledge that staves off the dying is good knowledge.