Use it at home for practice, music classes, or preparing a recital to maintain arch finger curvature and balanced wrist lift Portable silicone nylon trainer features adjustable finger slots to allow natural hand alignment during long hours of practice The ergonomic silicone piano hand collector teaches proper finger posture with cushioned hands and increases the accuracy of the learner's playing through guided positioning Perfect for beginners, music teachers and experienced pianists who want to polish and tone during lessons ABS reinforced construction allows for repeated use in the classroom and soft edges protect delicate skin during intense piano workouts