"K.O. is one among a raft of new Chinatown burger joints — this one a takeout window in a bright yellow storefront, with a few standing tables out front. The logo is a boxer with a burger for a head, and the burgers have names like Knockout and Meaty Boy. Depending on the season, it’s a fun, quick-service place to eat a burger (the fries are good, too)." - Robert Sietsema, Eater Staff