Linden blossom flowers have a soothing effect. Linden blossom tea can be made from linden blossom flower and hot water.
But first, you need a cup.
This is the low-spoiler guide for "Linden infusion" puzzle in Mutropolis. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.