{TAIL ~ A guitar shaped or figure 8 shaped enclosure wall} hangs down from {HEAD ~ an under surface} of an upper wall of the cutter housing to completely surround the periphery of the right and left cutter blades along tip end rotation loci of the blades at a slight distance therefrom 
{ TAIL ~ A guitar shaped or figure 8 shaped enclosure wall } hangs down from { HEAD ~ an under surface } of an upper wall of the cutter housing to completely surround the periphery of the right and left cutter blades along tip end rotation loci of the blades at a slight distance therefrom
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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