Bhagavata Purana has the brahmans churning at first the dead king Vena's thigh and then his arms - in order to create a new king.
BhP_04.14.043/1 viniścityaivam ṛṣayo vipannasya mahīpateḥ
BhP_04.14.043/2 mamanthur ūruṃ tarasā tatrāsīd bāhuko naraḥ
BhP_04.15.001/1 atha tasya punar viprair aputrasya mahīpateḥ
BhP_04.15.001/2 bāhubhyāṃ mathyamānābhyāṃ mithunaṃ samapadyata
Would someone comment on the procedure involved and the meaning of that - certainly - strange ritual?
Has someone worked on the king Vena's story? Any book? Paper?