Half way between a kayak and an inflatable the hot dog is a fun and manoeuvrable way to take on any white water course but this isnt just any white water course its the lee valley white water centre the kayaking venue of the 2012 london olympics together practise paddle skills and pass a short swim test before getting comfortable in the hot dog and bracing for the start of the course hurtle down the rapids defeating daring drops steering round twisting bends and challenging the current