A tiller or till is a lever attached to a rudder post (American terminology) or rudder stock (English terminology) of a boat in order to provide the leverage for the helmsman to turn the rudder. The tiller is normally used by the helmsman directly pulling or pushing it, but it may also be moved remotely using tiller lines. The tiller should never be jerked back and forth, the rapid motion of the tiller will cause an increase in speed. All steering movements should be smooth. In steering a boat,… (More on Tiller)