In one aspect of the invention, the elastomeric insert is bonded, either adhesively or chemically, to the frame, and in another aspect of the invention, {HEAD ~ the elastomeric insert} is mechanically secured to {TAIL ~ the frame} 
is mechanically secured to
In one aspect of the invention , the elastomeric insert is bonded , either adhesively or chemically , to the frame , and in another aspect of the invention , { HEAD ~ the elastomeric insert } is mechanically secured to { TAIL ~ the frame }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL