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YouTube-Bento Buster

unique self-closing jam lid that's popular in Japan. Just put the top on the jar and it'll close automatically.

YouTube-Lawrence Camera

410K likes, 1998 comments - adrianwidjy on July 15, 2023: "This self closing lid jam is just epic! Seriously why can't all jar items have ...

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People around Japan have been blown away by this bizarre discovery. Do you know what causes it? Check out the story here: ...

YouTube-Oona McGee

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YouTube-Taka Walks Japanese Food

This Jam's packaging is genius! The lid and ridge is design to self close to preserve freshness! In my opinion you should still tightened it ...

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