Secondary springs for adjusting the spring rate of the primary springs are also provided, {HEAD ~ the secondary springs} in one embodiment extending between {TAIL ~ the same first and second attachment locations} 
extending between
Secondary springs for adjusting the spring rate of the primary springs are also provided , { HEAD ~ the secondary springs } in one embodiment extending between { TAIL ~ the same first and second attachment locations }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL