SB 8.24.36
dodhuyamanam tam navam
samirena baliyasa
upasthitasya me srnge
nibadhnihi mahahina
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Then, as the boat is tossed about by the powerful winds, attach the vessel to My horn by means of the great serpent Vasuki, for I shall be present by your side.