You can tell a lot about a wine just by looking at it. No, really, you can. Sommeliers and wine professionals use special skills to help them analyze a wine just by looking at it. Want to know what they are? First get a piece of paper and a glass of wine. Sounds good already, right? Hold your wine at a 40 * angle so you are looking through the wine over the paper. Be careful not to spill, you want to look cool. A Moment of Clarity: