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