Master Mabuni was a pioneer and his thinking, years ahead of his contemporaries. His systemization of Karate was well planned and well executed and designed to make it available to general public were preserving its unique value as a martial art. This form of exercise was over free sparing by many of the most prominent masters of Karate.

Master Mabuni experimented it with protective equipments, during the 1930s. Hoping that it would allow self-simulative combat. However powerfully applied techniques still cause concussions through the thickest protections and broken feet and hands were common. He quickly reverted to pre arranged sparing to prevent injuries and also because protective equipments limited natural movements, and therefore inhabited technique.


Many movements and combinations of movements are expressed in Hokei or Bunkai Kumite.
These exercises are manifestation of the principles of Yo Riu Bi.

Heian Shodan	Heian Nidan
Heian Sandan	Heian Yondan
Heian Godan