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