said {HEAD ~ open top side} of said clasp lower part being pressed into {TAIL ~ said open underside} of said clasp upper part to provide an internal clasp space within said clasp for receiving said ends of said material  
said { HEAD ~ open top side } of said clasp lower part being pressed into { TAIL ~ said open underside } of said clasp upper part to provide an internal clasp space within said clasp for receiving said ends of said material
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH