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Seemingly not a necessary design, the Air Shield Coffee Cup Sleeve is however something you will find it quite useful and funny after you read through the article. The concept behind it is all about preventing your fingers from scald by hot beverage in plastic or disposable cups. Based on the principle of ‘expand from heat and contract from cold’, the cute pedals on the sleeve will expand to keep your fingers from a direct touch with the cup when heated while fatten out when the temperature falls.

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Designer: Frank Xing