The Secret Shoe on Instagram: “In the spirit of featuring secret spikes, here is a throwback to one of the prototype super spikes that became the Nike Dragonfly. Mamba 5…”
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Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
Cathal Dennehy on Twitter: "Get set for the Vaporfly debate to hit sprinting...the Nike prototype spike that could change the game in 2020. https://t.co/0oyIw8Kdib" / Twitter
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