{"product_id":"curaball-torque-ball-led-gyro-hand-exerciser-with-portable-case-grip-strength-trainer-for-arms-muscles","title":"Curaball Torque Ball - LED Gyro Hand Exerciser with Portable Case | Grip Strength Trainer for Arms \u0026 Muscles","description":"\u003cul\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Advanced Gyroscopic Resistance: Curaball hand exerciser adopts advanced gyro structure. The faster it rotates, the greater the resistance. It covers everything from warm-up to explosive power, helping you to accurately train the hand, wrist and forearm muscles  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Easy To Start: The torque ball uses a built-in pre-tensioner to start, and no starting rope is required.You only need to push the core in the direction of the arrow, When you can't push it anymore, release your finger and the internal spring will start the rotor, very easy and convenient  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Start-up method:This upgraded version features a built-in pre-tensioner for activation—no starter string required. Simply press the inner ball with your thumb and move it in the direction of the arrow to engage the internal spring. The mechanism is simple and eco-friendly. As the wrist rotates, the core spins at high speed, generating centrifugal force. The faster the spin, the greater the resistance, allowing the wrist to experience an effective workout  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Suitable for assisting: Long-term use of computers or mobile phones, carpal tunnel syndrome, repetitive stress injuries, etc. are more common. By continuously and indirectly strengthening the muscles and flexibility of the forearm and wrist joints, it can significantly improve muscle strength, flexibility, and promote blood circulation  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Exquisite Design:The reaction ball is portable and can be used at the office, gym, or home. It doubles as a stress-relieving toy while training grip strength  \u003c\/span\u003e\u003c\/li\u003e  \u003c\/ul\u003e\u003cbr\u003e\u003c!-- show up to 2 reviews by default --\u003e\n                   \u003cp\u003e    \u003c\/p\u003e\u003cp\u003e\u003cspan class=\"a-text-bold\"\u003eProduct Description\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWrist Trainer Ball Auto-Start Gyroscopic Forearm Exerciser Gyro Ball for Strengthen Arms, Fingers, Bones and Muscles\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage Quantity: 1pcs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan class=\"a-text-bold\"\u003eHow to start your new wrist ball:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e1: Take the gyro ball in your hands with the rotating core facing up and then use both of you thumbs to turn the rotator again and again ,up to the corresponding elastic core position along with the arrow direction.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e: Hold the wrist ball tightly and then release yours thumbs off the rotator immediately, the rotator will be running at the speed of 1500 to 3000 rpm. At the same time ,turn your palm down slowly rotating your wrist to get the power to maintain the existing gyro ball or higher than the starting speed.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e: When you turn the core speed up gradually , you will feel the same synchronous growing reacting power on your wrist and your arm with the rotating gyroscope.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ewhen you reduce the circle diameter your wrist draw , the speed will be up. the smaller the circle diameter, the faster the rotation of the core will be meanwhile ,the more difficult the wrist will feel to move.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan class=\"a-text-bold\"\u003eApplication range of gyro ball:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMuscle training from wrist to elbow: wrists, forearms, upper arms, biceps, triceps and shoulders, improve arm strength and flexibility, prevent tendonitis.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eThe Wrist Trainer Ball is a great gift for children who love sports, restless middle-aged people and people who work in the office for a long time, guitarists, pianists and other musicians.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWrist Trainer Ball is rigorously tested by factory machines, warehouse inspections, and manual re-inspections. This product does not require battery power.\u003c\/span\u003e\u003c\/p\u003e    \u003cp\u003e\u003c\/p\u003e","brand":"CrafTecker","offers":[{"title":"Default Title","offer_id":50866735513767,"sku":"SKU_1780978817912_279","price":51.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/0339\/2167\/files\/71YhNfgOpSL._AC_SL1500.jpg?v=1780978820","url":"https:\/\/craftecker.com\/products\/curaball-torque-ball-led-gyro-hand-exerciser-with-portable-case-grip-strength-trainer-for-arms-muscles","provider":"CrafTecker","version":"1.0","type":"link"}