In the event the force drops, springs cause the clutch to launch. Evenly spaced ridges, called splines, line the inside and outside on the clutch to lock into your gears as well as clutch housing. You are able to study more details on these clutches in How Automated Transmissions Work. https://clutchplate98641.kylieblog.com/33562471/clutch-kereta-things-to-know-before-you-buy