It is a plectrum made by hand from a continuous strand of iron used to strike the strings of the sitar.
en.wikipedia.org Sitar is named after a Persian instrument called the setar (meaning three strings).
en.wikipedia.org It provides a valuable hardwood used for furniture, ornamental panelling, shipbuilding, and musical instruments like the sitar, rudra veena, and drums.
en.wikipedia.org They use many different instruments such as the cello, violin, flute, didgeridoo, marimba, mandolin, sitar and vibraphone.
en.wikipedia.org Many unusual acoustic instruments like dobro, violin, sitar, didgeridoo, trumpet, trombone or zither can be heard on the album.
en.wikipedia.org