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.
Enamel mugs are functionally great. You can drop em and they don't break, they can hold a hot tasty beverage, you can clip em to your saddlebag to look like a cunt. Try touring with yer mums best china, see how long that lasts.
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.