The thumb of the left hand plucked the metal strings, which were made to sound with the bowed notes.
It has 3 courses (either single or double) of metal strings.
The metal strings are played with a plectrum, creating even more volume.
These prongs are connected to long pieces of metal string.
Adjusters work best, and are most useful, on metal strings.
In response, many companies began to use metal strings instead of catgut.
Now they are made with 10 metal strings and often have designs carved onto their backs.
It usually has four metal strings which are strung with tension on the neck.
The use of metal strings at high tension would also add to the brighter sound.
Much of the history about metal strings evolved through innovations with the piano.