Have you ever wondered why there are two holes on the dispenser cap of the soy sauce bottle?
Both are of the same size so we know it's definitely not for portion control and unlike wine, soy sauce doesn't need to breathe, so it's not for decantation either.
One TikToker has recently discovered the mechanism and posted on his account: "Why didn't I know before?"
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Andre realised that one of the holes is used to control the flow of soy sauce.
When he pours the condiments on a dish, he slides his index finger over to cover the hole on top and immediately stopping the soy sauce from flowing.
And when he lets go of the finger, the soy sauce flows to the dish again.
Some viewers said they wish they learn about the trick earlier.
One wondered: "Why don't they explain this on their label?"
"Oh my gosh I only just learned about this, but what happens when you knock the bottle over?" another asked.
Others said it's about physics rather than a "life hack" – explaining that the pressure applied on one side created a vacuum to stop the soy sauce from flowing out of the bottle.
"I've been doing this since seven years old, did you guys literally not know?" a man wrote.
A person blasted: "I guess the moment of pouring is too difficult for some people."
Japanese soy sauce brand Kikkoman explained on their website of their "award-winning Japanese design icon".
Dubbing it a "control hole", they said: "It doesn’t just look fantastic, it’s also practical!
"The perfectly shaped pourer enables the precise and clean dispensing of small quantities or even single drops of soy sauce without drips.
"So it isn’t just the ideal cooking aid, it’s also perfect as a table-top seasoning for meals with family or friends."
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