The invention is directed to a touch-sensitive paper shredder control system. The ESC comprises a ceramic layer for clamping a wafer thereto, and a plurality of electrodes arranged across the ceramic layer in an interior region and a peripheral region of the backside surface, wherein a plurality of electrode groups are defined by electrodes in the interior regions and peripheral regions. The clip can have an engagement formation on the end thereof, to engage with a like formation of a further damper located on the opposing side of the rail.