The think with those enamel mug is that they're functionally shit as well. They get incredibly hot so you burn your hands and lips, and then the drink gets cold because metal's a terrible insulator.
Um air is the insulator bro
@jammy started
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The think with those enamel mug is that they're functionally shit as well. They get incredibly hot so you burn your hands and lips, and then the drink gets cold because metal's a terrible insulator.