Shorinjiseisan,very interesting kobudo kata.The first one would not play well for me but the second one(Chatan Yara no Kun)worked very well.It appears to be a version of Tokomine no Kun to me,very small differences.
A funny story:A guy from an American kempo school was at our dojo and demonstrated a bo kata for one of my kobudo sensei.In his kata he did similar circular techniques,when my sensei questioned him about those circles he stated he had been told that technique was to represent"searching in the hay".My sensei replied"Hmm thats odd there's no hay on Okinawa"
I have to agree with Harlan,one circle could parry and throw,trap or redirect the bo.Multiple circles are new to me.
Tom Hodges
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Thomas Hodges, train 100 practice 1000