Skandapurana 6.3.20.54

6.3.20.54

navamaṃ vai cūḍakarma daśamaṃ mauñjibandhanam .
aiṣikaṃ dārvikaṃ caiva saumikaṃ bhaumikaṃ tathā .. 20.54 ..

the ninth is the tonsure ceremony, and the tenth is the tying of the muñja-grass girdle; / then rites with reed-stalks, wooden implements, Soma rituals, and earthly rites;