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