FIG 4 also illustrates {HEAD ~ a slit} 41 in {TAIL ~ the anvil holder} 40 adjacent the anvil receiving opening 49 
in
FIG 4 also illustrates { HEAD ~ a slit } 41 in { TAIL ~ the anvil holder } 40 adjacent the anvil receiving opening 49
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH