Srimad Bhagavatam Canto 08, Chapter 24, Text 45

SB 8.24.45

nibadhya navam tac-chrnge
 yathokto harina pura
varatrenahina tustas
 tustava madhusudanam
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
Following the instructions formerly given by the Supreme Personality of Godhead, the King anchored the boat to the fish’s horn, using the serpent Vasuki as a rope. Thus being satisfied, he began offering prayers to the Lord.
Srimad Bhagavatam Canto 08, Chapter 24, Text 44
Srimad Bhagavatam Canto 08, Chapter 24, Text 46