Senso® Hand Trainer Light 7 x 4 cm — silver The long spiky ball helps strengthen the finger, hand and forearm muscles. Manufacturer: TOGU $29.00 Custom wishlist OK Add to wishlist Qty: Add to cart Email a friend The long spiky ball helps strengthen the finger, hand and forearm muscles.How to useHold comfortably in the hand and squeeze or move as shown in the exercise guide. Begin gently and keep the movement controlled.
