Ergonomic design - Features an ergonomic shape and a soft grip that allow you to train fingers, wrists, and forearms while practicing proper technique for playing musical instruments. Portable and comfortable to carry - Compact and lightweight, the finger trainer fits easily in pockets, bags, or instrument cases. Use it to practice anywhere without your instrument. Versatile and practical - Suitable for instrument playing exercises, general physical training, conditioning, rehabilitation, physiotherapy, and climbing. A reliable finger training tool for guitar and piano. Adjustable tension per finger - Each finger’s tension is adjustable. Set the appropriate tensions to meet your individual training needs. Use scenarios - Pre-play warm-up: loosen and strengthen fingers and forearms to improve playing technique on guitar or piano. - Rehab and conditioning: support finger, hand, and forearm rehabilitation or conditioning, including applications for physiotherapy and climbing. - On-the-go practice: train anywhere without your instrument, such as in a bag, during travel, or between sessions. Specifications and features emphasized - Function: finger, wrist, and forearm training with adjustable tension for each finger. - Compatibility: suitable for guitar and piano practice, as well as general conditioning, rehabilitation, physiotherapy, and climbing. - Size/Portability: compact and lightweight for easy transport in pockets, bags, or instrument cases. - Material/Performance: designed for comfortable, ergonomic use and adjustable resistance to suit different training levels.