could u please informe me how to make ( wavemaster )which a kit to practic karate in my house (for punishing and training ),it is very expensive in ou...

could u please informe me how to make ( wavemaster )which a kit to practic karate in my house (for punishing and training ),it is very expensive in our country, i want to simulate it ( with a decorative shape, please could any one help me..

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