This slit 41 gives {HEAD ~ some flexibility} to {TAIL ~ the anvil holder} 40 around the anvil 70 
This slit 41 gives { HEAD ~ some flexibility } to { TAIL ~ the anvil holder } 40 around the anvil 70
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH