Blue - Tribal Odisha Dokra Threadwork Handmade Necklace 47Size Necklace Dori : Length 52 cm, Width 2 cm. (adjustable drawstring closure) Weight 45 grams (approximately). Material Handcrafted brass metal alloy dokra beads & threadwork blue necklace handmade by tribes. Dokra system of metal casting is said to be the oldest form of metal casting and is technically known as cire perdue or lost wax process. The technique of casting revolves round replacement of wax with molten metal by the traditional hollow