well, Hinata knows it too... sort off.

but as i discussed with prince... 

Maruki learned this techniques by himself based on what he heard it was.
through long and rigorous training i might add.
this being not at canon level... so he can do it, but at a weaker form, he have not mastered it (yet)

waiting on prince

*refreshing every five minutes with anticipation hoping to read 'approved' posted by prince*