{HEAD ~ a plurality} of {TAIL ~ extensions} integrally formed with said sleeve flange and projecting inwardly toward the interior of said sleeve wall 
{ HEAD ~ a plurality } of { TAIL ~ extensions } integrally formed with said sleeve flange and projecting inwardly toward the interior of said sleeve wall
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH