Puppy clutch skids on the primary shaft to rotate with it. All the equipment around the layshaft is fastened with it.  Once the remaining-hand Doggy clutch is brought to skid into the left with the gearshift lever, it messes with the clutch gear, along with the upper-pace equipment is accomplished. https://cruzetfpx.tokka-blog.com/34047132/about-gearbox-auto