A series of instructional videos – TWS (http://www.tws-windsurf.com) Tuning Technique Series together with wave world champion Victor Fernandez, Head of Fanatic Wave gear R&D Klaas Voget and professional windsurfer Adam Lewis.
In the sixth episode they take a subject of rigging the wave sail. How much downhaul and outhaul should you put. What is the VTS (visual trim system), how to check if the sail is rigged properly?