ION Drum Rocker Double Bass Pedal - DRDKP Second foot pedal for DRUM ROCKER and DRUM ROCKER CORE Play with both feet  faster or more complicated kick-drum parts Works with your original, included DRUM ROCKER KICK PEDAL Works with all versions of DRUM ROCKER and DRUM ROCKER CORE Includes ION Drum Rocker Kick Pedal, Dual Kick connection box, 2 connection cables and a quick start guide.