Efficient tension control: Stable adjustment structure for precise fine-tuning of string tension with controlled rotational force, complemented by a wooden handle for even grip stability during all adjustments. Effortless string setup: Allows consistent tuning stability through peg calibration and tension adjustment during winding, improving precision during string changes. Practical compatibility: Works efficiently with classical and Western guitars. Adapts to different tuning peg configurations. Meets diverse requirements during string changes for effortless handling and improved usability. Precise control: Ergonomic shape ensures even winding, improves efficiency during string changes, facilitates secure fastening and minimizes risk of string breakage for smooth guitar maintenance. Use scenarios Re-stringing a classical guitar with nylon strings: Provides stable tension control and a comfortable wooden grip to maintain consistent tuning during winding and string changes. Re-stringing a steel-string guitar with varying tuning pegs: Adapts to different peg configurations, enabling precise tension adjustments during winding for cleaner, quicker string changes. Routine maintenance and setup: During regular string changes, the ergonomic design promotes even winding and secure attachment, helping reduce string breakage risk and keep playability smooth.