The stylus and {TAIL ~ cutter} are positioned on first and second guides which are connected by {HEAD ~ a tie bar} 
The stylus and { TAIL ~ cutter } are positioned on first and second guides which are connected by { HEAD ~ a tie bar }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD