When You’re Ready to Get Serious About Your Hardware – The PDP Concept is a Logical Choice. Designed by Drum Workshop for optimal playability, the Concept Series Direct-Drive Double Pedal is a boutique-inspired machine thats quick and responsive. The Pedals design is outfitted with an extruded aluminum Direct-Drive linkage, smooth cast extended footboard with integrated needle bearing hinge, single-post auxiliary pedal, telescoping linkage with universal joints, offset toe clamp, and the DW Control Beater.