There's a very specific type used in these scenarios... Ah, here.

[ After several pleas to the hotel staff — yes, they're about to have a splendid time, or at least try to, yes, they will be back — the pair are rather huffily permitted to exit the casino grounds. Midnight leads them to the shopping floors, clearly navigating the many, many specialty shops by memory. ]

Well, as I was saying, I was kindly given a lesson or two in an encounter a few months ago, and it does seem like this spoon will retain enough heat to melt wax meant for one's skin... It really won't take much. The point isn't to blister one's skin after all.