said lower surface of said clasp lower part being disposed in a third plane , and said edges of said open top side of said clasp lower part being disposed in a fourth plane , said {HEAD ~ fourth plane} being inclined relative to {TAIL ~ said third plane}  
said lower surface of said clasp lower part being disposed in a third plane , and said edges of said open top side of said clasp lower part being disposed in a fourth plane , said { HEAD ~ fourth plane } being inclined relative to { TAIL ~ said third 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 OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH