wherein the first contact surface is on {HEAD ~ a first elastic region} of {TAIL ~ the first lining part} or the second contact surface is on a second elastic region of the second lining part 
of
wherein the first contact surface is on { HEAD ~ a first elastic region } of { TAIL ~ the first lining part } or the second contact surface is on a second elastic region of the second lining part
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH