A jewelry string is looped around {TAIL ~ the pins} and clamped in position by {HEAD ~ the clamps} 
A jewelry string is looped around { TAIL ~ the pins } and clamped in position by { HEAD ~ the clamps }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD