{HEAD ~ The method} of making {TAIL ~ the slits} includes cutting them with a four sided pyramid shaped tool 
of making
{ HEAD ~ The method } of making { TAIL ~ the slits } includes cutting them with a four sided pyramid shaped tool
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH