Spiky Massage Ball for Hand & Finger Exercises

Ergonomic design: The spiky massage ball for hand and finger exercises has an elliptical sphere shape, which conforms to the grip shape of the human palm. Two finger loops ensure a tight grip of the hands and reduced finger or hand slips; Acupressure & acupoint massages: The surface of the spikey ball has protruding particles which correspond to acupoints and trigger points on hands and fingers, making this spiky ball a good acupuncture and physical therapy equipment; Great efficacy: Though this spiky rubber ball is small, it is suitable for those suffering from carpal tunnel pain, hand arthritis or rheumatoid arthritis, stiff fingers, finger numbness, and other hand or finger problems, making it one of the most popular hand & finger exercisers; Premium material: this prickly ball is made of premium silicone which is eco-friendly and skin-friendly. The middle part between the ball and the palm is ventilatable and breathable, and it is not made of common soft squishy plasti