Finger spreader finger trainer grip trainer hand trainer set finger trainer ergotherapy hand grip trainer anti stress ball for adults anti stress ball wrist ball hand training hand massage hand exerciser stress ball stress balls hedgehog ball soft anti-stress balls hand trainer massage balls anti stress balls children skill ball Features: 1. The four-finger drip-proof design is attached with finger holes to prevent slipping. 2. Body shock massage with highly elastic tentacles, moderate hardness and durability, deep massage acupunctures. 3. Strictly selected TPR silicone material, comfortable use, with good cushioning, Shock resistance, moisture and compression resistance, etc. 4. Small size, easy to use, easy to carry and can be used at any time. 5.
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