In this embodiment, the bottom wall 154 is also wider than the top wall 152 to facilitate {HEAD ~ attachment} of {TAIL ~ the coil restraints} to the trough 
of
In this embodiment , the bottom wall 154 is also wider than the top wall 152 to facilitate { HEAD ~ attachment } of { TAIL ~ the coil restraints } to the trough
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH