positioning the first side of the overlap region adjacent a die assembly having {TAIL ~ a central axis}, a die face normal to the axis and a die recess having a plurality of {HEAD ~ generally vertical walls} forming a plurality of sharp cutting edges at the intersection of the die face and the walls, said walls being spaced apart and securely connected so as to prevent relative movement therebetween 
positioning the first side of the overlap region adjacent a die assembly having { TAIL ~ a central axis } , a die face normal to the axis and a die recess having a plurality of { HEAD ~ generally vertical walls } forming a plurality of sharp cutting edges at the intersection of the die face and the walls , said walls being spaced apart and securely connected so as to prevent relative movement therebetween
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH