Balz doing mad foilstyle
https://www.facebook.com/severnewindsurfing/videos/865672874437064
WWF on Lake Erie
Free sailing with small board/sail combo note close distance between foil and sail. Tabou Pocket Air 2021. 162cm by 67.5cm 87L. 4m sail.
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The board sizes and look makes me think they are modified wingboards. With the small sails and the way they are sailing it does look a lot like wingers riding in waves.
What happens in a black hole stays in a black hole.