Shake Weight for Men Dumbbell

Hundreds of thousands of these are selling every day. The Shake Weight for Men Dumbbell uses special pulsating for shaping and toning your upper body. In 6 short minutes you can actually get a quick, effective workout. Proven studies show that this dumbbell increases upper body muscle activity by 300% compared to regular weights. The Shake Weight with an instructional upper body sculpting DVD, too.