Pearl's Demon Drive bass drum pedals have a number of features that deliver the ultimate in smoothness, versatility, quickness and execution.; The pedal's smoothness is provided by a direct drive system with an adjustable position for greater power or more finesse, and Pearl's exclusive Ninja bearings which were designed for skateboards and have ultra low friction.The versatility of this pedal comes from Pearl's exclusive Duo-Deck, the world's first convertible footboard.; The pedal is adustable from a long footboard with a lighter and quicker feel;to a traditional shortboard.; The adjustable direct link also allows for heavier or lighter playability.; The pedal is fully adjustable to custom;fit to;the player's preferences.Other features of these innovative pedals include a click-lock spring tension to prevent loosening, an adjustable traction plate to vary the amount of grip on the foot board, two separate beaters (one wood and one felt) with anti-vibrating cores, and a carrying case to protect the pedal during transport.