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A puzzle mug is a novelty that is counter-intuitive |
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| It will usually have several holes in the rim, executive it impossible to cup from in the normal way |
| Frequently the solution is to cover all the holes in the rim, and then drinkable via Photo Mugs another cut in the excavated handle. |
A travel mug is a variation on the traditional mug that is more desirable for transporting hot liquids. It may or may not be a vacuum flask, but is commonly well insulated and completely enclosed, with an easily closed opening on the top.