The two Katas that make up the fifteen are
Niseishi and Seishan.
The Kata Niseishi is of the Aragaki style,
and Seishan, (13 Hands), is probably from
the Chinese Yong Chun (White Crane
Boxing). A form of ths kata is practised
in the Shuri, Tomari, and Naha areas.
Each Kata should be studied for five years
except Naihanchi which should be studied
for the rest of your life!
When you have discovered all its secrets,