Grant Williams on Instagram: "If your an intermediate surfer keen to progress, the roundhouse is the best place to focus. Why? Because in your journey towards doing a proper roundhouse with a rebound off the whitewash at the end, you’ll master key technique along the way including… 1- Learn proper and strong carving rotation - in order to hit the lip at the end, your rotation has to be strong enough to keep rail engaged through the carve and then be in the correct position to counterrotate off t