The duvet plate is bolted on the flywheel, plus the pressure plate exerts stress to the driven plate from the diaphragm spring or through coil springs on previously cars and trucks. This helps prevent the transmission shaft and clutch plate from tilting up and down if the clutch is launched. https://clutch-plate31853.blog-eye.com/33149022/new-step-by-step-map-for-clutch-plate