The Hario Bamboo Paddle is designed specifically for use with the Hario coffee syphon so that your coffee can live up to its potential. It ensures steady and fluent stirring of the Hario coffee syphon. The simple design allows the professional or home barista to stir the entire chamber evenly and completely so that the coffee is brewed optimally, maximizing the extraction process. Some of the delicate notes that the Hario syphon brings out can be lost without stirring. The syphon is a great method for brewing as it accentuates the subtleties of the coffee and allows them to shine!