The teeth of this novel design are attached in a variety of {HEAD ~ ways} depending upon {TAIL ~ the crop} to be cut and the amount of the crop 
The teeth of this novel design are attached in a variety of { HEAD ~ ways } depending upon { TAIL ~ the crop } to be cut and the amount of the crop
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH