Cute fake screws. You need brass, though, if you want a steam punk look, like these flasks which (I’m not sure If I read the alibaba webpage right) for ten cents each in large quantities (even in quantity, that just can’t be right :-0 Maybe this is a really tiny version?)…:
It has a built in gauge so you know when it’s near time to top it off.
You can also use it as a level, in a pinch.
And if you find yourself on the floor, you can just say you’re checking to see how level the floor is, with your fancy level, because your feet and brain are having a heated argument overhow level the effin floor is.