Garudapurana 2.5.35

2.5.35

caturthena ca piṇḍena nābhiliṅgagudaṃ tathā /
jānujaṅghaṃ tathā pādau pañcamena tu sarvadā //

by the fourth rice-ball, the navel, penis, and anus, / and the knees, shanks, and two feet always by the fifth;