This image features a traditional Indian hair accessory known as a Jada Huu or Choti, often specifically referred to as a Nagoth or Jadanagam in South Indian traditions, or simply a Braid Extension (Veni/Choti) in broader contexts.
This is a long, ornate hair ornament designed to be worn over a braided hairstyle. It typically consists of several interlocking segments or a single flexible panel that follows the length of the braid, ending in a decorative tassel or "Kunjalam.
