Practice corrector and bow straightener designed for violin beginners and players who want to refine their bowing technique and alignment. Key benefits Teaches correct bow action and alignment so beginners can develop consistent technique. Helps intermediate and advanced players refine bow placement and control during practice. Gentle on the instrument: made of white material that will not damage the violin body when used as intended. Durable and precise construction provides stable, repeatable guidance during exercises. Lightweight and compact for easy carrying between lessons and rehearsals. Features Function: Serves as a practice corrector and bow straightener to guide proper bow motion and alignment. Material: White material selected for instrument safety and long term use. Design and workmanship: Meticulous build quality for consistent performance and durability in regular practice. Portability: Small, lightweight form makes it practical to bring to lessons or keep in a case. Compatibility: Intended for use with standard violins and bows as a teaching and practice accessory. Typical use scenarios Beginner practice sessions: Use during scale and open string exercises to learn straight bowing and correct arm movement. Lesson demonstrations: Teachers use the device as a visual and physical aid to show proper bow path and hand positioning. On the go practice: Carry in a case for focused practice while traveling to rehearsals or between lessons. How to use Place the corrector as directed by your teacher or practice routine to support straight bow motion and consistent technique. Its durable construction and smooth, instrumentsafe material make it suitable for regular use in lessons and individual practice.