The first clutch is a complicated method of centrifugal clutch and is often mounted on the output stop in the engine crankshaft. The clutch has two sheave faces; one which is laterally fixed (stationary sheave), and one that can transfer in and out to interact the belt (moveable sheave). https://holdenkonnk.bloggerchest.com/32244868/5-simple-statements-about-cvt-explained