Multi-Functional Practice Tool for Horn Players This tool allows horn players to practice a variety of skills. By attaching a mouthpiece, you can check intonation and airflow, simulating the feel of a real instrument. The upper part is extendable, allowing you to check for proper pressure. You can freely control the resistance by adjusting the screw and covering the hole on the main body. Size: Approximately 20cm tall, bell diameter approximately 8cm. Weight: Approximately 73g. Material: PETG-CF. Washable. Magnetic: Neodymium magnets are used in the extendable part. *Mouthpiece not included. Multi-Functional Practice Tool for Horn From pitch checking to airflow control and pressure balance — all in one compact tool. Attach your own mouthpiece to practice with a feeling similar to playing on a real instrument. The extendable upper section allows you to check and adjust mouthpiece pressure for better form. By adjusting the screw mechanism or covering the air holes, you can freely modify airflow resistance to your preference. • Dimensions: Approx. 7.9 in tall / Bell diameter approx. 3.15 in • Weight: Approx. 2.6 oz • Material: PETG-CF • Easy to clean — washable for regular maintenance • Magnetic connection using neodymium magnets for smooth extension Note: Mouthpiece not included.