Sounds like a good way to het yourself booked in for a knee reconstruction. Never approach waves at a angle. Any wave. The only rule should be enforcing is don't land the thing on the flat. I followed thses instructions word for word an your completely wrrong. Avoid punching through waves. You have an engine you don't need to duck dive waves. Simply use timing rip channels and knowledge. Brains. How many times you see the rescue boat flipped. In 25 years operating one ive never flipped one. I believe if tflip one you are doing something wrong