an in-wheel transmission that lifts the drive axle increasing ground clearance, portal axles are used in the unimog as well as in other vehicles. they generally do not raise the axle much, but because of their gear reduction, they allow for a smaller differential case, because there is less strain on the differential

the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower