Dilwe Finger Exerciser, Children Adult Adjustable Guitar Piano Zither Strength Tension Exerciser Hand Grip Trainer Strengthener Practice Tool(Yellow) Assist Correct

【Wide Application】The hand exerciser is specifically designed for many musical instrument. It also can be used for finger strength exercise in daily life. 【Complete Hand Practice】Children Finger Exerciser provides complete strength training solution, safely and conveniently to increase strength, endurance, flexibility and coordination for children fingers, hands, wrists, and forearms. 【Adjustable Design】Adjustable individual press tension. You can select different tensions for each finger, providing one-to-one children hand fitness. 【Comfortable to Use】Soft design, comfortable to press, which will not hurt your fingers. 【Portable】Extremely portable design, you can carry it in your luggage, pocket, purse, handbag etc., strengthen your fingers at any time when you want.