In {TAIL ~ the latter aspect}, the elastomeric insert will have tabs, and {HEAD ~ the frame} will have recesses adapted to receive the tabs, or vice versa 
In
In { TAIL ~ the latter aspect } , the elastomeric insert will have tabs , and { HEAD ~ the frame } will have recesses adapted to receive the tabs , or vice versa
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH