Product Review

The Shake Weight pro is the revolutionary new way to work out the muscles in your upper body-biceps, triceps, shoulders, and chest using Dynamic Inertia. Its distinct motion makes the Shake Weight Pro the first product of its kind specifically designed to help women achieve toned, sculpted arms while eliminating flab. Inertia is defined as "The tendency of a body in motion to remain in motion unless acted upon by an outside force". Dynamic Inertia uses these basic principles in a unique way to create multi-directional resistance.