A retracting element presses {HEAD ~ the banknotes} against {TAIL ~ the extracting device} by a force , before the flap is closed 
A retracting element presses { HEAD ~ the banknotes } against { TAIL ~ the extracting device } by a force , before the flap is closed
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH