Trevor Corson has a one-of-a-kind job: He’s a sushi concierge. As a result, he knows a lot about what people do right and wrong when eating sushi. Learn from him in this video (which was shot at New York’s Jewel Bako, where Corson often works) and eat sushi with confidence.

You’re Doing It All Wrong is constructive criticism. Don’t take it the wrong way: Just learn the right way.