Dog clutch skids on the primary shaft to rotate with it. All of the gear around the layshaft is fixed with it.  If the still left-hand dog clutch is introduced to skid towards the remaining through the gearshift lever, it messes with the clutch gear, as well as higher-velocity gear https://gearbox-auto19639.thechapblog.com/33269631/the-greatest-guide-to-gearbox-auto