Accordingly, one aspect of the invention involves {HEAD ~ a snubber system} for permitting {TAIL ~ relative rotation} of a first member and a second member 
for permitting
Accordingly , one aspect of the invention involves { HEAD ~ a snubber system } for permitting { TAIL ~ relative rotation } of a first member and a second member
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH