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
Tin whistle head, and are almost always referred to as "low whistles" but sometimes called "concert whistles". The low whistle operates on identical principles to the standard whistles, but musicians in the tradition may consider it a separate instrument. The term "soprano whistle" is sometimes used for the higher-pitched whistles when it is necessary to distinguish them from low whistles. The notes are selected by opening or closing holes with the fingers. Holes are typically covered with the pads of the fingers, but some players, particularly when negotiating the larger holes and spacing in low whistles, may employ the "piper's grip". With