{HEAD ~ Force} is applied to {TAIL ~ a free end} of the leaf spring to move the holder from the initial position to the cutting position 
{ HEAD ~ Force } is applied to { TAIL ~ a free end } of the leaf spring to move the holder from the initial position to the cutting position
HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH