part 125 formed at the opposite side to the second end in order to receive the pair of hooks and guide projection of the male latch and a receiving part 122 that makes the projected parts of the hooks inserted through the insertion part 125 to be projected out of the insertion part and fixes the each projected part the second end 121 of the female receptacle is coupled to the belt as shown in fig4 a connector is formed at one side of the second end and the belt can be inserted and fixed in the connector the insertion part 125 is formed to have an open surface at the opposite side to the second end the pair of hooks and guide projection are inserted through the open surface of the insertion part on the other hand when the guide projection is formed at the male latch a guide 126 may be further provided to guide the guide projection 112 in other words the pair of hooks formed at both sides of the guide projection can be exactly inserted into the receiving part by aligning the guide projection by the guide the receiving part 122 is provided to make the projected parts 114 formed at the hooks inserted through the insertion part to be projected out of the insertion part and simultaneously prevent the projected parts from being separated from the.