said upper surface of said clasp upper part being disposed in a first plane , and said edges of said open underside of said clasp upper part being disposed in a second plane , said {HEAD ~ first plane} being inclined relative to {TAIL ~ said second plane}  
inclined relative to
said upper surface of said clasp upper part being disposed in a first plane , and said edges of said open underside of said clasp upper part being disposed in a second plane , said { HEAD ~ first plane } being inclined relative to { TAIL ~ said second plane }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH