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Mike has six perfect abdominal muscles and that’s a real feather in his cap. You want to be like Mike, too? I suggest you have a try with the Magnetic Dumbbell designed by Sang-Hoon Lee. These dumbbells are North Pole charged, and when you lift them up, the four South Pole magnets on the ground will then add weight to the dumbbells due to the action of a magnetic field. It is really clever of Sang-Hoon Lee to issue this idea as an invention. Good work!

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Designer: Sang-Hoon Lee