Jun 24 14 7:34 PM

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Blowgun tonguing is invented by Mr. Yoshio Harada former Tokushima orchestra trumpet player.
The technique is possible only by japanese style non mouthpiece pipe.
Touch the upper ridge of pipe by the reverse side of tongue slightly.
The mechanizm of blowgun tonguingi is unclear.
Hironori Higuchi   info-sportsfukiya-net