There are many ways to teach the Kayak Roll, aka the Esquimo Roll. The folks from the Glenmore Lodge in the UK come here with this instructional serie with a very clear and efficient technique. All the steps are clearly explained, what to do, and not to do… This is The Kayak Roll Part 1of 3: the theory.
Watch Part 2: Pool Practice Without a paddle
Watch Part 3: Pool Practice With Paddle