Low whistle grip" may be required due to the distance between the holes. They belong to the same woodwind instrument family of end-blown fipple flutes. Though the tone of this instrument varies subtly among makers, low whistles are generally characterised by a more breathy, flute-like sound than traditional tin whistles. While the precise history of the low whistle is often debated, it is known that various kinds of vertical fipple flutes have existed in antiquity. The fipple flutes developed during the 16th century were the ancestors of today's low whistle, carrying through from early transverse flutes the six-holed design tradition and conical
Shepherd's whistle opening. Unlike typical, single-tone whistles, the shepherd's whistle can emit a range of tones, by using the tongue and mouth to change the shape and size of the "sound box". By moving the tongue and mouth, the resonance, and therefore the sound, can be varied. Shepherd's whistle A shepherd's whistle is a specialized, modulatable, variable-pitch whistle used to train and transmit commands to a sheepdog to aid in herding. Unlike other whistles, they are placed inside the mouth and the sound is controlled by the placement of the tongue. Like tin whistles, while simple, they can be used as musical