Srimad Bhagavatam Canto 11, Chapter 09, Text 06

SB 11.9.6

tesam abhyavaharartham
 salin rahasi parthiva
avaghnantyah prakostha-sthas
 cakruh sankhah svanam mahat
 
Translation: 
 
The girl went to a private place and began to make preparations so that the unexpected male guests could eat. As she was beating the rice, the conchshell bracelets on her arms were colliding and making a loud noise.
Srimad Bhagavatam Canto 11, Chapter 09, Text 05
Srimad Bhagavatam Canto 11, Chapter 09, Text 07