Bhagavatapurana 3.28.26

3.28.26

kaṇṭhaṃ ca kaustubha-maṇer adhibhūṣaṇārthaṃ % kuryān manasy akhila-loka-namaskṛtasya //

and the neck, serving as an adornment for the Kaustubha gem, / of Him who is worshiped by all the worlds, one should hold in the mind.

3.28.26.p2

bāhūṃś ca mandara-gireḥ parivartanena $ nirṇikta-bāhu-valayān adhiloka-pālān &

And His arms, their armlets polished / by the churning of Mount Mandara, the protectors of the guardians of the worlds,

27. He should contemplate the Lord's arms on which the ornaments shine (as if) burnished by their use while turning the mountain Mandara and on which the protectors of the world depend; (which is the source of strength to the protectors of the world) and also contemplate the chakra of a thousand spokes (points) and of irresistible force and splendour as well as the Sankha which is the swan in his lotus-like hands (which held in his hand looks like a swan on a lotus flower.)

3.28.26.p3

bāhūṃś ca mandara-gireḥ parivartanena $ nirṇikta-bāhu-valayān adhiloka-pālān &

and His arms, their armlets polished / by the churning of Mount Mandara, the protectors of the guardians of the worlds,