IPON

Where I study there are forms (not many) and weapon forms (bong, sword, knife etc).


Regarding HKD and Aikido, remember that both Osensei and Grandmaster Choi studied Daito Ryu Aiki Jujutsu from he same instructor.

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A person who is said to be proficient in the arts is like a fool. Because of his foolishness in concerning himself with just one thing, he thinks of nothing else and thus becomes proficient. - Hagarkure