Published On Aug 25, 2021
I bought a cola "Flavour Cup" that claims to flavour water put into it. The results were mixed.
In fact these cups were invented by Isaac Lavi from Israel and is marketed as "the right cup" elsewhere.
https://www.therightcup.com/faq/
Review in English here.
• Can the Right Cup get you to drink mo...
フレーバーカップ Flavor Cup Fureba- Kappu
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