Her lotus feet
Appearance
Srimad-Bhagavatam
SB Canto 4
SB 4.23.19, Translation:
The Queen, the wife of Pṛthu Mahārāja, whose name was Arci, followed her husband into the forest. Since she was a queen, her body was very delicate. Although she did not deserve to live in the forest, she voluntarily touched her lotus feet to the ground.