Dokra earrings "my Twin Fish", handcrafted using the traditional lost-wax metal casting technique that originated in India over 4000 years ago. Length: approx. 4.5 cm without hook Material: Brass. All our jewelry is delivered in KIKOONI cotton pouches. What is Dokra? Dokra is a lost-wax metal casting technique that originated in India over 4000 years ago. Since then, it has been a tradition that is still maintained and continued today by some blacksmiths in the villages of West Bengal and Orissa. A unique mold is created by hand for each individual object, which is broken after the firing process.