In this embodiment, a pair consisting of a fastening member 9 a and a fastening member 9 b is {HEAD ~ a buckle} consisting of a male part 9 a and a female part 9 b to achieve {TAIL ~ fastening} by the resilient engagement between the engagement pieces of the male and female parts 
to achieve
In this embodiment , a pair consisting of a fastening member 9 a and a fastening member 9 b is { HEAD ~ a buckle } consisting of a male part 9 a and a female part 9 b to achieve { TAIL ~ fastening } by the resilient engagement between the engagement pieces of the male and female parts
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH