1. Single Person Workout: Take your arm wrestling skills. Designed for individual training, it allows you to focus solely on improving your technique and strength.2. 90 Bend Angle: The device features a 90 bend angle, providing the perfect position for intense arm wrestling exercises. This optimal angle ensures proper muscle engagement.3. Targeted Finger and Forearm Training: Arm trainer hones in on the muscles required for arm wrestling, specifically targeting the fingers and forearms, you'll improve your grip strength and overall arm power.4. Strength Training: By consistently challenging your arms, you'll develop the ability to withstand greater intensity during arm wrestling matches or training sessions.5. Durable Material: The wrist muscle developer is made from spring steel material, wear resistant, not rust, durable, stable, and can be used long time.Specification:Item Type: Arm Wrestling ExerciserMaterial: Spring steelUse: Arm strengthening trainingHow to Use:Press the four suction cups on the corners of the base firmly onto the tabletop, and add an appropriate amount of water to enhance their suction capacity (try to eliminate any trapped air) and ensure a secure fixation. Before each use (including after resting between two sets of exercises), remember to repress the suction cups firmly.Package List:1 x Base1 x Handle1 x Accessory1 x Manual.