The apparatus 37, further comprising {HEAD ~ a processing station} with {TAIL ~ a pair} of surfaces configured to receive the tow and controllably press the tow therebetween in accordance with an adjustable spring bias 
The apparatus 37 , further comprising { HEAD ~ a processing station } with { TAIL ~ a pair } of surfaces configured to receive the tow and controllably press the tow therebetween in accordance with an adjustable spring bias
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH