Hop Sing Laundromat shared by @eater says: ""Hop Sing Laundromat is a popular speakeasy-style cocktail bar located in Chinatown. The owner, who playfully styles himself on social media as a North Korean expat, is known for enforcing a strict set of rules. Patrons can be banned for infractions like taking selfies inside or tipping inadequately. The venue is recognized for serving some of the best cocktails in Philadelphia."" on Postcard