Check out my full DF3 Review: https://youtu.be/3KmPf9D0T3Q Written DF3 Review: https://breakingeighty.com/lab-golf-df3-review Buy the LAB Mezz.1: https://golf-galaxy.selw.net/19r2zz Buy the LAB DF3: https://golf-galaxy.selw.net/dOaer2 TABLE OF CONTENTS: 00:00.  Is this still the best putter I’ve ever used? 00:36.  First, what is a L.A.B. putter?…