Why Rory McIlroy’s Driver Was Banned at the 2025 PGA Championship?
Rory McIlroy’s driver failed the USGA’s CT (Characteristic Time) test just before the 2025 PGA Championship — but what does that really mean? In this short video, we explain how a clubface can become nonconforming over time due to wear, and why the “trampoline effect” matters. If you’re a golfer or golf fan, understanding this rule could change how you view your own equipment.
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