The 9091 kettle has a melodic whistle made of brass, never seen before, and consists of two small vents where tuners are inserted that reproduce the notes mi and si.
Richard Sapper created this teapot inspired by a childhood memory, the poetic sound of the sirens of boats on the Rhine: This is because the melody accompanying the steam release is pleasant and not ominous like the whistle of boilers. This induction teapot is a multi-sensory object that interrupts a pleasant break not with a whistle, but with a charming melody.
