Standard Kayak Paddle in Lime,A paddle is a tool used for pushing against liquids, either as a form of propulsion of a boat (paddling) or as an implement for mixing.Paddles commonly used in canoes consist of a wooden, fibreglass, carbon fibre, or metal rod (the shaft) with a handle on one end and a rigid sheet (the blade) on the other end. Paddles for use in kayaks are longer, with a blade on each end; they are handled from the middle of the shaft.