Once the force drops, springs lead to the clutch to launch. Evenly spaced ridges, referred to as splines, line the inside and outdoors from the clutch to lock into your gears along with the clutch housing. You'll be able to study more details on these clutches in How Automatic Transmissions https://tysonsitdm.blogdun.com/33664925/the-basic-principles-of-clutch-plate