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