Dog clutch skids on the primary shaft to rotate with it. All the equipment about the layshaft is mounted with it.  If the left-hand Puppy clutch is brought to skid on the left through the gearshift lever, it messes with the clutch equipment, as well as upper-velocity gear is obtained. https://gearboxauto17384.like-blogs.com/33925910/a-review-of-gearbox-auto