Foot levers, also known as PEDALS or treadles, are devices used to control a machine or vehicle. They are typically operated by pressing down with the foot, and can be found in a variety of machines, such as bicycles, cars, and sewing machines. PEDALS, which have six letters, are a type of foot lever that is used to control the speed and direction of a vehicle, while treadles, which have eight letters, are a type of foot lever used to control the operation of a machine.