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Maximize pleasure and endurance with the Dumbbell Penis Trainer – a dual-action adult toy combining penis exercise and vibrating lock sperm ring for enhanced stamina and stimulation. This male masturbator features adjustable tension for delayed climax, powerful vibrations, and an ergonomic dumbbell shape for grip training. Made from body-safe TPE, it’s rechargeable and easy to clean. Perfect for solo workouts or spicing up intimacy, this versatile erotic toy delivers intense, controlled satisfaction – train harder, last longer!