An article of manufacture for providing {TAIL ~ terminations} for {HEAD ~ a two ended toothed motion transmission device}, comprising: 
An article of manufacture for providing { TAIL ~ terminations } for { HEAD ~ a two ended toothed motion transmission device } , comprising :
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH