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.
When creating a trumpet or wind instrument, a hole is drilled near the tip of the shankha's apex. As air blows through this hole, it moves through the spirals of the shankha, generating a loud, clear, and high-pitched tone.