Sharing Secrets to Scoring the Hottest Sneakers

Bryan Cohen of Kosher, at his style "museum" with limited-edition pieces from the Supreme and Louis Vuitton collaboration at Sneaker Con at the Jacob K. Javits Convention Center in New York, Dec. 16, 2017. Sneaker Con, a gathering of shoe fanatics founded in 2009, brought 500 vendors and over 19,000 people to the Javits Convention Center in New York. (Krista Schlueter/The New York Times)