Windsurfclinics by  Pieter Bijl (Pieterbijlwindsurfing). 

Please subscribe to my channel and support me on the way and during the Defi Windsurfing Races 2018 / DéfiWind

Kirsten Baas NED166 (youtube channel)
https://www.youtube.com/channel/UCDQJ4Aw0rQ1hAQRonUWmUsA?sub_confirmation=1

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