Naroote Violin Bow Corrector, Straightening Guide Tool for 1/2 4/4 Violins

【Easy to disassemble】The transparent part of Violin bow corrector is made of toughened plastic, which is durable. closure design is easy to install or remove 【Proper Action】Straightening guide tool Self-bow practice guide to help you develop correct bowing and wrist movements 【Different Sizes】Violin collimator adjuster two options, one for 1/8 - 1/4 violin, the other for 1/2 - 4/4 violin 【Durable and durable】Violin bow aid's finely-crafted adjustable straps are firm and sturdy, not easy to break, wear-resistant, and won't hurt your instrument 【Perfect Fit】Violin accessories are very suitable for violin beginners and violinists' terminology, and have a great effect on mastering the correct bowing action and improving playing skills