The band is made of magnetic material which provides {HEAD ~ balanced magnetic influence} to {TAIL ~ the eddy current fields} surrounding the strand thereby assisting guidance of the strand in the inward crown 
The band is made of magnetic material which provides { HEAD ~ balanced magnetic influence } to { TAIL ~ the eddy current fields } surrounding the strand thereby assisting guidance of the strand in the inward crown
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH