Lingerie fastener

A fastener for releasably joining elements of a garment, the fastener comprising:

• a male part formed with a pair of oppositely projecting tongues each having an elastically laterally deflectable latch tab formed with a respective laterally projecting latch tooth;
• a first female part adapted to be mounted on one of the elements and formed with
• a socket complementary to one of the tongues, and
• a formation that latches with the tooth of the tab of the one tongue when same is inserted in the socket so as to prevent retraction of the tab of the one tongue from the first part;
• and
• a second female part adapted to be mounted on the other of the elements and formed with
• a socket complementary to the other of the tongues,
• a formation that latches in a holding position with the tooth of the tab of the other tongue when same is inserted into the respective socket to prevent retraction of the tab of the other tongue from the second part, and
• an actuating button engageable with the latch tab of the other tongue and depressable into the second part to move the formation of the other element out of the holding position and engagement with the respective tooth and into a freeing position allowing the other tongue to withdraw from the socket of the second part.