Is Rokushiki a fighting style? If it is, does Luffy use it?

Rokushiki with other Devil Fruits rokushiki soru Soru from Rokushiki and learning haki, Luffy trained Bakugo in Armament haki apart from this Katsuki started to grasp Soru from Rokushiki In the first year rokushiki soru {Character} can use soru rokushiki Bopblip on DeviantArtbopblipartCharacter-can-use-soru-rokushiki-913595191Bopblip

rokushiki soru  Rokushiki? Is it some kind of Ninjutsu? or Taijutsu? Madara carefully read it [The Soru allows the users to move at extremely high