Comprehensive training device with an adjustable retractable design to help players of all levels improve topspin techniques and build muscle strength. Adjustable length and angle to fit different heights, making it suitable for both beginners and advanced players. Durable construction using sturdy plastic and metal materials for longlasting performance under regular use. Easy installation with a fixing clamp for quick setup on any table, minimizing setup time and allowing more practice. Key benefits Improves topspin technique and strengthens relevant muscles through progressive, adjustable drills. Adapts to players of different heights and skill levels by altering length and angle. Built to endure regular practice with reliable materials. Quick, hassle setup on virtually any table for uninterrupted training. Specifications and compatibility Adjustable length and angle Retractable design Materials: plastic and metal Installation: fixing clamp for rapid mounting on any table Use scenarios Home practice: Set the device on your table, adjust length and angle to target topspin drills and build arm strength during solo sessions. Club or school training: Move between tables easily with the clamp system, accommodating players of varying heights and skill levels without complicated setup. Prematch warmups: Use for focused wrist and forearm activation to refine control and consistency before matches.