{HEAD ~ The inner sealing member} is received within a space between the webs of {TAIL ~ the grommet} 
{ HEAD ~ The inner sealing member } is received within a space between the webs of { TAIL ~ the grommet }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL