Kanulock lockable Roof Rack Straps are now in stock and owned and recommended by FC Watersports staff. Secure your paddleboard, windsurf board, kayak or surfboard to your roof with these stainless steel reinforced lockable roof rack straps. Available in 2.5m and 4.0m. Whether leaving a second board while you're on the water, camping or in the pub make sure you keep your kit secure.