Yaoqijie Kupfermundstck Schutzkappe — protective cap for tenor, alto, and violin mouthpieces. Key benefits Protects mouthpieces from dust, moisture, and impact so instruments stay performance-ready. Preserves mouthpiece finish and minimizes wear, reducing cleaning and maintenance time. Durable construction provides reliable day‑to‑day protection without frequent replacement. Neutral, tenor‑inspired color offers a subtle, professional appearance on stage or in the studio. Easy to attach and remove for quick between‑use protection. What it does and why you need it Shields the exposed mouthpiece surface during rehearsals, transport, and storage to prevent scratches, dents, and contamination. Keeps shared mouthpieces hygienic between players, lowering the need for immediate cleaning and replacement. Saves time and cost by extending the usable life and appearance of standard mouthpieces. Compatibility and fit Designed to fit standard tenor, alto, and violin mouthpiece dimensions. Sized for common mouthpiece profiles; simple slip‑on fit that stays secure during handling. Built from high‑quality materials for consistent performance through regular use. Practical applications Between pieces in rehearsals or performances to keep mouthpieces clean and protected. While transporting instruments or storing them in cases to prevent accidental damage and contamination. In teaching studios or rental settings where mouthpieces are shared or frequently swapped. What you get A dependable protective cap that maintains mouthpiece condition, reduces maintenance, and offers a professional look without added bulk.