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Nike's controversial Vaporfly shoe that set records with 'built in secret weapon' might be banned - YouTube
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IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
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Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
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Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics - BBC Science Focus Magazine
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