【 Adjustable Resistance 】: Turning the tension knob to the left or right can increase or decrease resistance. You can adjust the resistance size as needed to achieve personalized exercise. 【 Increase Suction Cup Design 】: Equipped with a strong suction cup base, it ensures quick and tool free installation on smooth surfaces. The grip is stable and will not fall off. The larger the suction cup, the greater the suction force and the more stable it is. 【 Rehabilitation Equipment 】: Promote muscle function recovery and relieve elbow muscle stiffness. During the rehabilitation process of elbows, wrists, and upper limbs, joint muscle atrophy and ligament relaxation can be restored to maintain arm health. 【 Easy To Use 】: The handle of the wrist rehabilitation trainer is carefully designed with a smooth touch, providing an exceptionally comfortable grip. Enjoy a safe and comfortable grip during the training process 【 Widely Applicable 】: Very suitable for wrist rehabilitation and muscle strength training. Increase the range of motion of the wrist joint and enhance upper limb strength. Suitable for people with ligament injuries, hand hemiplegia, hand dysfunction, stiffness and weakness