Why it flies straight

Point the arrow down your target line. The dimples are shallow around the equator, deeper near the spin axis, and alternate small and deep on the poles — which keeps the ball rotating on the right axis, so backspin stays pure backspin. A robot hit the Ultimate Straight and a leading brand with the same 95 mph slice: theirs curved 27 yards, the Ultimate Straight 7 yards — four times straighter. Polara claim 75% or more fewer hooks and slices.

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