When I want to keep my coffee or tea warm, I do one of three things: I drink it quickly, keep it in an insulated mug or stay reasonably close to the microwave so I can reheat it if necessary. I don't think that I would ever get to the point where I needed a drink warmer like the one pictured here. This set has two main components: a frosted glass mug and a zinc cup holder/warmer, which has a space for a tea light. It also includes the stainless steel stirring spoon/drinking straw pictured with it.
It looks a bit like a fondue set, doesn't it? Clearly, you would have to regularly stir your drink to prevent the bottom from scalding, particularly if you're drinking a dairy-based beverage.
I would rather just drink my hot cocoa quickly if the only reheating option seemed like a fire hazard.
There are some coffee shops that have a wide variety of teas, usually loose-leaf, in addition to their selection of coffee and espresso drinks. On more than one occasion, I have seen customers become irate when trying to order tea, insisting that they "just want tea" as the girl behind the register gently tries to explain that there are, in fact, many kinds of tea. The shops should just keep a stash of Lipton teabags in the back for these types of customers because that is the generic tea that they are most often referring to. It is a tea that they have grown up with, though they often know little about it.
There are any number of reasons that someone might have unsteady hands, from sheer clumsiness to a serious medical problem, but among the many difficulties that could result from such an affliction, the inability to hold a cup steady is a serious one. Not only is there the risk of burns from hot liquids, but it is just purely inconvenient. A new device called 











