To make a trumpet or wind instrument, one drills a hole near the tip of the apex of the shankha. When air is blown through this hole, it travels through the whorls of the shankha, producing a loud, sharp, shrill sound.
To create a trumpet or wind instrument, one makes a hole close to the tip of the shankha's apex. When air flows through this hole, it passes through the whorls of the shankha, generating a loud, sharp, and piercing sound.