L.A.B. stands for Lie Angle Balance, and the DF3 is the putter that took the idea mainstream. The whole head is engineered so the face doesn't want to twist during the stroke — where a normal putter's face opens and closes and relies on your hands to square it, the DF3 just stays square on its own. That's the entire pitch, and it's why the brand went from cult oddity to roughly the third-biggest putter maker in golf, with limited runs selling out in hours and J.J. Spaun holing a 64-footer with one to win the 2025 US Open. In practice the difference is real: off-centre strokes stay on line noticeably better, and golfers who've fought a wristy, handsy stroke for years describe it as putting with the steering wheel finally straight. The trade-offs are also real. It's a striking-looking, wide-bodied head that some golfers never warm to behind the ball. It needs to be built to your specs — length and lie matter more than with a normal putter, so buy it fitted, not off a rack. And it's premium money for a putter, in blade-cost territory. It's also sold direct from L.A.B. rather than on Amazon, and lead times stretch when a colourway goes viral, which is often. If your putting is already silky this won't add much. If starting the ball on line is what's costing you strokes, this is the closest thing to a hardware fix the category has produced in years, and the momentum behind it is not an accident.