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The chalk project began because chalk is the critical addition needed to realize the full performance of tips.

In order to use the full potential of KAMUI tips, the chalk used needs to be same or better quality. During thousands of trials, the necessity of iterative improvement was discovered.

From the beginning, there were three main objectives of this project. The first objective is to ensure high quality chalk which has grip power, adhesion, and solidity, since those are the most important performance factors. The second is the concept of “hexagonal close-packed structure”. The third is that it has to be hexagonal shape to symbolize the close-packed structure concept.

After a long development period since the release of 0.98 and 1.21, the chalk exemplifying the target criteria has been created. From the development objectives and concept, it is named “ROKU”. In Japanese, it means hexagon.

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concept
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Road to the perfect balance

 
The more advanced the level, the harder it is to bridge the gap between imagination and execution. The concept of hexagonal close-pack stracture was important in order to develop the high performance chalk which has grip power, adhesion, and solidity.

ROKU has been developed by seeking the best balance of particles while minimizing ingredients. It enable players to control their shots with higher accuracy.


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Grip power

In order to create a larger sweet spot, exact proportions of the chalk particles are delicately regulated. This enhancement makes the most of the potential of Kamui tips.

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Adhesion

Thanks to the unique ingredients, it is easy to apply an apropriate amount on the tip.

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Solidity

The chalk gains high density and solidity by removing the air. Benefits include ease of chalking and high adhesion, so it does not wear off.

 

effect
 

Larger Sweet Spot

ROKU contains a much finer particle size than standard chalk.The purpose of this is to maximize friction and offer a larger sweet spot to generate more spin on the cueball.

 

More Accurate Aim

Increasing friction decreases deflection, giving the player more accurate aim when english is applied.