The twisted shaft is not decoration.
Four of the six drinks here are served up in one.
Ice is an ingredient with a rate of change.
Two pieces of metal that chill, dilute and aerate in one movement.
The spring is the tool. Everything else is a handle.
The second half of a double-strain, and the reason a drink arrives clear.
For the drinks that must arrive clear.
The tool every equal-parts drink on this site depends on.