By providing a smaller torque transmitting capacity, {HEAD ~ blocking} of the rear wheels via {TAIL ~ the front wheels} is prevented 
via
By providing a smaller torque transmitting capacity , { HEAD ~ blocking } of the rear wheels via { TAIL ~ the front wheels } is prevented
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH