大佛頂如來放光悉怛多般怛羅大神力都攝一切呪王陀羅尼經大威德最勝金輪三昧呪品 1.243

1.243

「以前信印不改，唯更以頭指如中指交，亦右押左，頭指來去，中指不傾動。」

"Do not alter the previous Trust Seal, except additionally cross the index fingers just like the middle fingers, with the right also pressing the left; move the index fingers back and forth, and do not tilt or move the middle fingers."