The first clutch is an advanced sort of centrifugal clutch and is typically mounted to your output stop in the engine crankshaft. The clutch has two sheave faces; one that is laterally mounted (stationary sheave), and one that can transfer in and out to engage the belt (moveable sheave). https://cvt85307.bloguetechno.com/5-simple-statements-about-cvt-explained-67539182