Description: 【Guitar Aid Tool】: Guitar Aid Assisted Training is for beginners to solve common problems such as difficulty in strings, inaccurate sound, and fatigue. The product is suitable for ordinary folk guitars 38-42inch regardless of brand. Classical guitars and ukuleles cannot be used 【Easy Installation】: Teaching Practice Aid simply clips this learning tool to the neck of your guitar to install. Installation is simple and can be completed in minutes. 【Multi Functional Application】: Guitar Aid Assisted Tool fits most 38inch/41inch acoustic guitars, making it a universal accessory for guitar learners. 【Improving Efficiency】: Guitar Eletric System helps improve the efficiency of assisted conversion, helping you practice hand position and muscle memory, making your playing smoother. 【Ideal Gift】: Guitar auxiliary artifact is an ideal gift for teenage and adults guitar lovers or beginners in the early stages of learning guitar. Specification: Material: PP Size Chart: 15.5cmx8.8cmx6cm/6.10inchx3.46inchx2.36inch Package Includes: 1 Guitar Aid Chords 1 Sheet Music Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!