[Calvin Locke]

Surströmming is a canned product known to expand a the ends of cans, and still be good.

That is, if you like that type of stuff. People in the general vicinity of a fresh...er, newly opened can have reported hazardous material leaking.

[ansel12]

“According to a Japanese study, a newly opened can of surströmming has one of the most putrid food smells in the world, even more so than similarly fermented ...”

[Nifster]

good to know