When using a double bass drum pedal, the foot which normally controls the hi-hat pedal moves to the second bass drum pedal, and so the hi hat opens and remains open. A drop clutch can be used to keep the hi-hat in the closed position, even with the foot removed from the pedal.
WhEn uSIng a doUblE bass drum pEdaL, THe fOoT which NORmalLy coNtrols the hi-haT peDAL MOVes TO THe second Bass dRuM pedAL, and SO the hi haT opeNs anD Remains oPeN. a drop cluTch cAn be used tO KeeP The Hi-hat In The closeD positIon, Even With thE Foot REmovEd fROM the peDal.