Hojo Undo
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Here are examples of some of the Hojo Undo Equipment in use.

The Okinawa Goju Ryu Bujutsukan is fortunate enough to have Kongoken, Sanchin Game, Tetsu Geta, Tetsu Sashi, Makiwara, Chi Ishi, matted floors, focus pads, Thai pads and punching bags.

It has been my experience that very few Dojo are correctly equipped for teaching Karate. The Hojo Undo are an fundamental building block, without which the Karate house is in danger of collapse.

Authentic Okinawan Goju Ryu makes extensive use of the Hojo Undo, or supplementary exercises. Each of the exercises are designed to improve the overall understanding and performance of the individual Karateka.


The Makiwara is one of the most valuable tools available to the serious Karateka. Correct alignment is vital for generating power.

Hands, wrists, forearms, shoulders, back, waist, legs and feet all combine to deliver the trademark of Karate, the closed fist punch.

Tetsu Sashi
The Tetsu Sashi is good for geveloping shoulder and wrist strength, particularly with regard to Shotei techniques, blocking and striking.
Chi Ishi

The Chi Ishi helps to coordinate limb strength, wrist rotation and gripping power.

Chi Ishi of various weights, lengths and diameters are used to replicate different technical training necessities.

Sanchin Game

Sanchin Game are gripping jars, used to develop and test the grip strength.

Much of  Okinawan Goju Ryu is based on close quarter combat. As such, we make use of many grabbing and striking techniques.

The Ishi or stone seems very simple, but training must be careful, progressive and constant. Stone training is not for everyone, but it is important to challenge oneself in training.

The Kongoken is a large iron oval, resembling a giant paper clip. Kongoken training takes some effort, but is essential for learning waist power.