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Seattle, WA (206) 555-0198 Est. 2013
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FF Flush Fitting Co Fitted Right, Every Time
The Data Log

The Data Log

Notes from our fitting bay — practical explanations of the numbers that actually shape your ball flight and scores.

MOI Matching Explained

What moment of inertia actually measures, and why matching it across your set can shrink your miss pattern more than chasing raw distance.

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Spin Rate & Ball Flight

How spin rate interacts with launch angle to determine carry, and why "more spin" and "better spin" are two very different things.

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Grip Size and Wrist Action

Why the wrong grip size is one of the most common, cheapest-to-fix issues we see — and how it quietly changes face angle at impact.

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There's No Universal "Best" Launch Angle

Why the "best" launch angle depends entirely on your ball speed and spin rate — there's no universal number to chase.

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Fixing the Gaps Between Irons and Woods

How to decide where irons stop and hybrids or fairway woods take over, based on real carry distance gaps instead of tradition.

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What Your Impact Heat Map Is Telling You

What a strike-location heat map reveals about your swing that ball flight alone can't tell you.

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Put This Data to Work

Reading about fitting concepts is a start — seeing your own numbers on a launch monitor is where it actually clicks.