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