Material: Adjustable clip made of higher quality aluminum alloy, excellent workmanship, smooth surface, durable. Function: Placing the tonal clip on any grade of the instrument fingerboard can raise the tone of all strings. How to use: When using the tonal clip, first determine the tone you want to achieve, and then clamp the tonal clip on the corresponding grade. Make sure the tuning clip is firmly attached to the fingerboard and not so tight as to damage the string or fingerboard. Convenience: For beginners or players who don't want to tune frequently, the inflection clip is a handy tool. Date First Available December 20, 2024