Adjustable Resistance Hand Trainer with Enlarged Suction Cup Key benefits Quick, precise resistance adjustment: Easily change intensity to match different strength levels, therapy stages, or user groups. Progress or scale back without switching devices. Secure, non-slip grip: A stable handle with improved traction reduces hand movement and improves exercise accuracy. Strong, enlarged suction cup: Larger suction increases holding power and overall stability during use, allowing focused, safe training. Targets rotational hand function: Specifically designed to train pronation and supination of the forearm, improving hand function and rotational torque. What it does for you Rehab and recovery: Supports controlled, progressive training of forearm rotation after injury or surgery. Functional strength and dexterity: Builds rotational strength and hand control that transfers to daily tasks and sports. Versatile for multiple users: Suitable for different ages and ability levels because resistance can be adjusted quickly. Key attributes Function: Adjustable resistance for graduated training; effective for pronation/supination and hand rotation exercises. Compatibility: Designed for use by therapists, athletes, musicians, seniors, and home users who need forearm and hand rehabilitation or conditioning. Size & performance: Enlarged suction cup provides stronger hold and improved stability; compact form supports easy placement and focused exercise sessions. Construction: Stable, non-slip handle for reliable grip and repeatable performance. Typical use scenarios Post-injury rehab session: Use progressive resistance to restore forearm rotation and regain range of motion under therapist guidance. Sports or instrument training: Improve rotational strength and control for tennis, golf, baseball, drumming, or other activities that rely on forearm torque. Daily maintenance and prevention: Short, regular sessions to maintain dexterity and reduce stiffness for office workers or older adults. How to use (simple) Attach the suction cup securely to a flat, stable surface. Set the desired resistance. Grip the handle and perform controlled pronation and supination movements for the prescribed repetitions. Reliable, focused, and easy to use — a practical tool for restoring and improving hand rotation, grip control, and forearm torque.