Hanro no Sanban-Bōshi

The sealing process upon Raifudo's forehead that contains the enigmatically-obtained Rinnegan Dōjutsu. At will, Raifudo is capable of awakening the eye in order to fall in possession of extraordinary powers.

Rakudo uses this jutsu in conjunction with Sharingan/Mangekyou Sharingan rather than Rinnegan.