大毘盧遮那成佛神變加持經蓮華胎藏悲生曼荼羅廣大成就儀軌供養方便會 1.34

1.34

如法界自性，而觀於自身，
為令彼堅固，觀自執金剛！
結金剛輪印（亦名轉法輪印）。

Contemplate one's own body as the nature of the dharmadhātu; / To make it firm, contemplate oneself as Vajradhara! / Bind the vajra-cakra mudrā (also called the Dharmacakra-turning mudrā).