Grip Exerciser Piano Finger Stretcher Finger Grip Strengthener Strength Trainer Gripper Finger Exerciser Finger Force Trainer Finger Extensor Trainer Guitar Expansion Sleeve - FAVOMOTO, 12C521YE0124JZ

• Finger exercise tool-- made from material, durable to use. Hand exercises-- moderate size, perfect feel, easy to carry. Guitar finger expansion-- you can use it while in the waiting room at the doctor's office, or sitting at your desk at work. Finger strengthener-- ðÿž¸it allows you to adjust and customize the tension for each finger so you can strengthen individual fingers and prevent favoring certain fingers. Guitar finger exerciser-- the finger master is suitable for athletes and musicians such as guitar finger exerciser and so on.