Pet clutch skids on the principle shaft to rotate with it. All the gear around the layshaft is mounted with it.  When the left-hand Pet clutch is brought to skid on the left through the gearshift lever, it messes With all the clutch equipment, as well as the higher-velocity gear https://marcoatguf.bloggazzo.com/32883065/rumored-buzz-on-gearbox-auto