Kubotan is a martial arts system developed in the 1970s by Japanese karate master Takayuki Kubota, designed specifically for U.S. law enforcement officers. The goal was to create a method of subduing suspects without causing permanent injury.
It utilizes a small, easily portable, low-lethality handheld stick that is completely legal to carry. Initially taught to female officers in the LAPD, the system quickly gained popularity due to its simplicity, effectiveness, and ease of learning.
The name “Kubotan" is a combination of Kubota (the founder’s surname) and baton (referring to a police stick or short baton).
The tool is used to strike nerve clusters, pressure points, or joints, making it effective for pain compliance or enhancing the force of strikes. When combined with a keyring and keys, it can also be used like a small flail to target an opponent’s face.
At Yoseikan, the Kubotan techniques have been further developed by Head Instructor Kevin Sheng, who has adapted them into a system more focused on practical striking and grappling. With just a couple of hours of training, anyone can easily learn and start applying these techniques.

Wu Dai-Hsun
Wu Dai-Hsun began her martial arts training in the summer of 2016 with the Taiwan branch of the Yōseikan Budo school. Her studies include Japanese mixed martial disciplines such as Kenpō, Aiki Jujutsu, Kobudō, and self-defense techniques. She also trains in traditional archery and is committed to integrating martial discipline with a life philosophy. She is currently a black belt instructor at Yōseikan Budo Taiwan.
Competition Experience:
2018 EPW 5th Martial Arms Cup – Mixed Women’s Division: 3rd Place
2018 Chung-Cheng Cup Weapon Combat – Women’s A Division (Katana): Champion
2018 Chung-Cheng Cup Weapon Combat – Women’s A Division (Single Sword): Champion
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