Made from ABS+silicone , it has a comfortable feel and a user-friendly appearance , making it easy for beginners to operate. This five finger training tool for piano beginners and performers to exercise their hands, train finger strength, and correct finger . This is designed to correct fingering and maintain the correct of the palms to good support. Use this fun and effective hand trainer to enhances your musical performances and take your piano skills to a . Palms support is the keys to maintaining good hand . Hand orthotics are suitable for most instrument performers and can also be used for finger strength exercises in daily life.