Now that the USGA has limited the size, length, and COR (co-efficient of restitution) on today’s drivers, new avenues must be taken to enhance driver performance. The question arises on why Tiger hits a Diamana shaft, and why Adam Scott hits a UST V2. For the most part, shaft companies are not paying players to hit their shaft.

So, why would one player choose one company’s shaft over another?
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