An actuator is connected with {TAIL ~ the base} to move the holder from the initial position to {HEAD ~ the cutting position} 
An actuator is connected with { TAIL ~ the base } to move the holder from the initial position to { HEAD ~ the cutting position }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD