61% Deal De Gumomo Cottage Shake Weight for Men

Unlike the regular dumbbell that needs to be lifted from side to side or up and down, the Shake Weight for Men is a modified dumbbell that is used by grasping tightly on the dumbbell and then shaking it back and forth rapidly. The dumbbell has weights on both sides with a spring mechanism in the centre. This initiates ‘Dynamic Inertia’, a powerful concept that efficiently builds the size, strength and definition of the upper body, therefore making it work faster than a normal dumbbell.

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