- Clear tone with even tension: The guitar string tensioner grips and seats the strings firmly and evenly to help produce a clear, bright tone and maintain string stability without rapid pitch changes. - Bird shaped ergonomic design: The bird shaped design is charming and ergonomic, easy and comfortable to use. It is tailored to the fretboard to grip strings securely. - Durable and safe: Made from high quality ABS material, it is not easy to break and is safe and break resistant. - Time saving and versatile: Compatible with ukulele, acoustic guitar and electric guitar. The string tensioner saves time and effort compared with traditional hand stretching methods. Use scenarios: - Re stringing electric, acoustic or ukulele to achieve even tension and clear tone quickly. - Quick setup on stage or in studio between performances or practice sessions. - Maintenance and restringing for multiple instruments in a home studio or music shop.