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 the modern penny whistle) and such instruments are linked to the development of the English flageolet, French flageolet and recorders of the renaissance and baroque period. The term flageolet is still preferred by some modern tin whistlers who feel this better describes the instrument, as this characterises a wide variety of fipple flutes, including penny whistles. The modern penny whistle is indigenous to the British Isles particularly England, when factory-made "tin whistles" were produced by Robert Clarke from 1840–1889 in Manchester and later New Moston, England. Down to 1900, they were also marketed as "Clarke London Flageolets" or "Clarke Flageolets".