The sewing cuff preferably is composed of {HEAD ~ at least an outer layer} of {TAIL ~ fabric} since fabric typically provides good tissue ingrowth 
of
The sewing cuff preferably is composed of { HEAD ~ at least an outer layer } of { TAIL ~ fabric } since fabric typically provides good tissue ingrowth
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH