Editorial Reviews:
Product Description Shake Weight for men. It was taken out of the package though, It came in a plain brown box but included the workout DVD and instructions. As you hold the Shake Weight, it pulsates back and forth, challenging your muscles while you hold it steady. Scientific studies indicate that the Shake Weight increases your upper body muscle activity by more than 300 percent compared with traditional weights. It's the fast, easy, effective way to work out your upper body. Plus, it fits easily inside a suitcase or shoulder bag, so you can bring it along to the hotel, the office, or anywhere else you need a quick workout.
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