{HEAD ~ a second snubber inner member} having a doubly convex outer surface portion sharing {TAIL ~ said central longitudinal axis} 
{ HEAD ~ a second snubber inner member } having a doubly convex outer surface portion sharing { TAIL ~ said central longitudinal axis }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL