A plurality of {TAIL ~ linkages} translate movement of the stylus along its guide to the cutter along {HEAD ~ its guide} 
A plurality of { TAIL ~ linkages } translate movement of the stylus along its guide to the cutter along { HEAD ~ its guide }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD