French company Seabike has developed a swimming device that uses your own leg power to accelerate you through the water at superhuman speeds. This crank-driven pusher prop looks a bit like an underwater unicycle... We'd love to take one for a spin!
  • Glifted@lemmy.worldEnglish
    7·
    8 months ago

    There’s a clip of a swimmer doing it without shoes/clips so maybe they’re optional.