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