Portable coffee recommendations | What is ear-mounted coffee? What are the wrong ways to brew premium black coffee? What is the appropriate ratio of coffee powder to water for hanging ears?

For more knowledge about specialty coffee, please follow the WeChat public account: FrontStreet Coffee. Coffee culture has been deepening in recent years. Many coffee lovers have to have a cup of coffee every day to have the energy to "move bricks". However, not everyone can go to a coffee shop to enjoy it at any time