Metal guitar finger exerciser

{"cid":"131318","pid":"23449475","pimg_url":"\/\/img1.b2bforus.com\/8e\/b6\/d33213ffd1e8\/product\/80081120_s-w400xh400.jpg","name":"Music Lightening Piano Guitar Hand Strengthener Finger Strength Trainer Power Finger Exerciser","attrs":{"Price":"Negotiable","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"LZS"}}