[Finger Expansion] Helps address issues such as weak fingers, hand fatigue, and limited finger span. Allows practice with two or four fingers. [Increased Span] Assists in stretching fingers to improve finger extension; promotes ligament flexibility, enhances finger strength, and improves dexterity. Regular use may support skill development. [Ergonomic Design] Features an adjustable design for a comfortable fit; made with soft silicone finger pads for a secure and comfortable feel during use. [Portable and Durable] Constructed from high-quality, eco-friendly materials with strong durability for long-term use. Compact and lightweight for convenient use anytime, anywhere. [Finger Exerciser] Designed to support finger joint mobility and finger stretching exercises. Suitable for individuals learning to play musical instruments such as guitar, violin, and piano.