// Yanagisawa Sax Neck Screw Yany BooStar Gold Plate for YANAGISAWA / SELMER // The "Yanny Booster" neck screw (patent pending) boosts resonance and produces a rich tone. Wearing it creates just the right amount of resistance, allowing for smoother breath flow. The sound is cohesive across the entire frequency range, producing a rich, voluminous sound quality. The product consists of a main screw and two joint parts of different weights, allowing for three different customization patterns. You can use it according to the song and music scene. In addition, the basic model UP (amplifier) increases the conductivity of the sound to produce a richer tone. GP (gold plated) for a vibrant tone that accentuates the contours of the sound. PGP (pink gold plating) has also been added, which gives the instrument a softer tone while maintaining the core of the sound. Currently there are three different finish variations. The era of choosing tone with a screw has arrived!■Specifications・Material: Special metal, gold-plated finish ・Yanni Booster saxophone neck joint screw (for soprano, alto, tenor, and baritone saxophones)・For YANAGISAWA / SELMER