Generic Adjustable Finger Stretcher Trainer for Guitar and String Instruments DIY Finger Expander Tool for Beginners Flexible and Comfortable Unisex Standard

• Finger training tool–it help with extending your fingers for playing the guitar bass and musical instruments,guitar finger stretcher
• Finger stretcher–and the exercise can be repeated after the fingers area completely resting pay attention to the increasing strength of training!,guitar span practice finger expansion
• Musical instrument accessories–the single-use time should not be too long, the recommended time is 5-10 minutes as a group,guitar trainer tool
• Finger strengthener guitar–choose the suitable support rod and use the included screwdriver to adjust the distance between the rings until it suits you,finger exerciser
• Finger trainer– finger span and flexibility, finger function and playing efficiency,guitar finger trainer