Rameswaram (Tamil Nadu), Sep 12 (ANI): Fishermen venture into sea everyday in search of livelihood. They also bring something else with them. Conch shells left behind by mollusks are often caught in the fishing nets. Fishermen of Rameswaram are now exploring an additional income opportunities with these conchs. These conchs are turned into pieces of art by painting and sculpting. These attractive objects are bought by tourists as souvenirs. Fishermen make key-chains and paperweights with it. It becomes a source of additional income for these fishermen-cum-artists. Conch shells are also used in India as a musical instrument, especially during religious festivals and rituals. They are also used as decorative items in general.