Dog clutch skids on the key shaft to rotate with it. Many of the gear to the layshaft is fixed with it.  When the left-hand Canine clutch is brought to skid for the remaining in the gearshift lever, it messes with the clutch equipment, plus the higher-speed gear is reached. https://gearboxauto77417.digiblogbox.com/58833239/details-fiction-and-gearbox-auto