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