Dokra earrings "Bold", handcrafted using the traditional lost-wax metal casting technique that originated in India over 4000 years ago. Length: 4 cm without hook Material: Brass and cotton 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 villages of West Bengal and Orissa. Each object is handcrafted with its own mold, which is broken after firing. Thus, every small metal piece is unique.