The system may also include {HEAD ~ a locking mechanism} configured to retain a cutting tool within {TAIL ~ the reciprocating assembly} 
The system may also include { HEAD ~ a locking mechanism } configured to retain a cutting tool within { TAIL ~ the reciprocating assembly }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL