A retracting force applied to the engaging means to dispense {HEAD ~ a predetermined length} of {TAIL ~ fabric} by controlling the revolutions of the pincer rolls 
of
A retracting force applied to the engaging means to dispense { HEAD ~ a predetermined length } of { TAIL ~ fabric } by controlling the revolutions of the pincer rolls
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH