Yang Release: Master Key Technique

After performing the required hand seals, Hoori claps his hands before opening up the sealing inscription that has been made on either his scroll, Konuchi or Nirin. In doing so, a unique effect takes place, as the excess life behind the technique, otherwise known as the Yang Release is absorbed into the seal. Subsequently, Hoori may unlock the seal and utilize the excess chakra to bolster his own techniques, thanks to his own ability to utilize the Yang Release.

Alternatively, he can store this chakra for later in his scroll, before using it to unlock other seals; this process is capable of being executed because Fūinjutsu is quite dependent on an equilibrium between Yin and Yang Release respectively, considering that while the chakra used to form the seal is done through Yin Release, the primary component of keeping the seal active, as well as being capable of activating it, is done through the life-giving properties of Yang, which is what the Senju and by extension, the Uzumaki are renown for.