Giulia clamps a coil of tubing to a keg, taps the line twice with a wrench and glances over her shoulder. "Hold that end. Gently. Too much pressure and everything goes wrong. Too little and nothing moves. The trick is steady. Ready to feel it flow?" The cellar is cold and the lines are mine. Take the far end, hold on and tell me whether you like things gentle or fast. I check every tap in town, and I can tell.