Nose flutes are another story. They are indeed blown with the nose. The sound modulation is done by mouth and pharynx. This way the tones can be hit intuitively as with whistling or singing, without having to drill scales for a long time.
Contemporary nose flutes are famous for being peculiar as only very few other instruments. The high-pitched buzzing and sometimes unsteady sound is downright snorted out of the whistle. When setting the instrument on mouth and nose you can play any melody which can be sung: whether folk songs, Guns’n’Roses or Mozart – the choice of songs and the number of players significantly add to the fun. At DAN MOI you can find nose flutes made of wood or of colored plastic.