The Jew's harp is one of the oldest musical instruments in the world. Originally called a trump or gewgaw, in different cultures it is known as the jaw harp, khomuz, kubyz, mungiga, munnharpe, drumbľa or vargan, among other names.
The instrument is an idiophone consisting of a flexible metal or bamboo tongue attached to a frame. This tongue is placed in the performer's mouth and plucked with the finger to produce a note. The note thus produced is constant in pitch, though by changing the shape of his or her mouth and the amount of air contained in it the performer can cause different overtones to sound and thus perform simple melodies.
There are many theories for the origin of the name Jew's harp (see the external links below), one being that it may derive from its popularity amongst Eurasian steppe-peoples like the Khazars, perhaps being introduced to Europe from that direction. A likely explanation is that it is a corruption of "jaw harp", while a less likely explanation espoused by some is that its name comes from "juice harp" from the amount of saliva produced while being played.
External links
Jew's Harp on Antropodium.NL (http://www.antropodium.nl/4e%20pagENG.htm) you can find a pictures and Reviews on Jew's harps from all over the world.
Jawharps were among the items traded by peddlers in the early American settlements, and later entertained the pioneers on their long treks west.
Known variously as jawharp, Jew’s harp, and juice harp, the most often recorded name for this instrument is trump.
The note the jawharp produces depends upon the dimensions of its vibrating tongue, with interesting effects produced by changes in the player’s breathing patterns.