When {HEAD ~ the jewelry string} is removed from {TAIL ~ the jewelry construction board}, permanent loops are formed into the jewelry string 
When { HEAD ~ the jewelry string } is removed from { TAIL ~ the jewelry construction board } , permanent loops are formed into the jewelry string
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH