Paul Liberatore is the founder of Golfers Authority , which reviews the world's best golf products and gear. Look, I've rolled putts on more indoor greens than I care to admit. Most of them are disappointing. Slick, plasticky surfaces that teach absolutely nothing about real putting. So when I got my hands on the BirdieBall RollTech Putting Green, I'll be honest, I was skeptical. Another company promising "tour-level realism" from a foam rectangle you unroll in your living room? Sure. But what I found actually surprised me, and this mat delivered in more ways than I could have possibly imagined. Jump To: What makes the BirdieBall RollTech surface so special? The surface layer is where it gets ridiculous Sizes, speeds, and customizability The stuff that might bug you Should you buy the BirdieBall Roll Tech Putting Green? What makes the BirdieBall RollTech surface so special?…