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