Violin Bow Straightener Bow Collimator Carbon Fiber Resin Violin Bow Posture Hand Straightener Beginner Training Exercise Tools for 4/4 3/4 1/2 Violin String Instrument Accessories Features: 【Sculpted Design for Precise Fit】: The violin bow straightener features a three-dimensional design that is molded to fit the edges of the violin accurately, ensuring a perfect fit without damaging the varnish. 【Black Soft Silicone Slot】: The bow straightener is equipped with a black soft silicone slot that securely holds the device in place without causing any harm to the violin body. 【Violin-bridge Inspired Curvature】: Inspired by the graceful curves of a violin bridge, the bow straightener's design ensures a smooth and elegant flow when installed on the violin body. 【Resin Material for Sturdy】: Made from high-quality resin material, the bow straightener is flexible yet sturdy, ensuring a long lifespan for extended use. 【Suitable for Violin Beginners】: Ideal for beginners learning proper bowing techniques, this bow straightener helps prevent bow slipping and promotes correct bowing posture. Specifications: Material: Environmentally friendly resin Applicable Violin Standards: 1/4, 1/8, 1/10 Product Color: Black Product Size: 11.3 * 5.1 * 8.5cm/4.4 * 2 * 3.3inch Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please allow slight manual measurement deviation for the data. Packing List: 1 x Violin Bow Collimator