Product overview A practical violin bow straightener and adjuster designed for beginners and violinists. Functions as a bow corrector guide and practice aid to help maintain proper bow alignment without harming the instrument. Key benefits Keeps bow alignment consistent: helps you check and maintain a straight bow hair path during practice and instruction. Safe for the instrument: constructed from white material that does not scratch or damage the violin body. Durable and reliable: made of durable material that is difficult to break off and suitable for repeated use. Wearable and convenient: designed to be wearable for easy placement and removal during practice or teaching. Main features Function: violin straighten adjuster, bow straightener, collimator, and corrector guide for practice and instruction. Material: durable white material that is gentle on the instrument surface. Durability: resistant to breakage to withstand regular use. Compatibility: suitable for violin beginners and violinists of varying levels; useful as a teaching accessory. Practical use scenarios Practice sessions: place the corrector when practicing to monitor and maintain a straight bow stroke and consistent contact with the strings. Teaching and lessons: instructors can use the adjuster as a visual guide to demonstrate correct bow alignment and technique to students. Warmup and maintenance: use the device during warmup or routine checks to confirm the bow is moving in the intended path without stressing the instrument. Why this product This straightener and corrector combines simple functionality with durable construction and safe materials. It is a straightforward accessory for anyone who wants a clear, noninvasive way to work on bow alignment during practice or instruction.